@charset "UTF-8";.text-content pre p dl,.text-content pre p p,.text-content pre p ul,iframe,img,video{max-width:100%}.cta-link:focus,.cta-link:hover,a,a[name]{text-decoration:none}a i[class^=icon-]:before,label,summary{cursor:pointer}.clear,details{clear:both}ol,ul,ul.option-list{list-style-type:none}.cols-2,.cols-3{-moz-column-gap:10px;-webkit-column-gap:10px}.contributions-page .faqs .faq button .icon,.tooltip.is-opening{pointer-events:none}.offscreen,.only-icon span{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.text-content pre{font-size:18px;font-size:1rem;background:#eee;border:0 solid #3d7e9a;color:#333;margin-top:0;margin-bottom:20px;padding:15px;position:relative;font-family:consolas,monaco,"Andale Mono",monospace;font-style:normal;font-weight:400;line-height:1.5;overflow:auto;direction:ltr!important;text-align:left!important;border-left-width:5px!important;border-right-width:0!important;-moz-tab-size:4;tab-size:4;-moz-hyphens:none;-webkit-hyphens:none;-ms-hyphens:none;hyphens:none}.text-content html[dir=rtl] pre,html[dir=rtl] .text-content pre{border-left-width:0;border-right-width:5px}.text-content pre>:last-child{margin-bottom:0;padding-bottom:0}.text-content pre p{box-sizing:border-box;width:100%;max-width:100%}.text-content pre code{background-color:transparent;font-style:normal;font-weight:inherit;padding:0}.highlight-spanned.highlight,.text-content h3.highlight-spanned,.text-content h5.highlight-spanned{padding:0;background-color:inherit;color:inherit}.highlight-spanned.highlight a,.text-content h3.highlight-spanned a,.text-content h5.highlight-spanned a{color:inherit}.highlight,.highlight .highlight-span,.text-content h3,.text-content h3 .highlight-span,.text-content h5,.text-content h5 .highlight-span{background-color:#333;color:#fff;font-weight:400;line-height:1.25;padding:0 4px;-webkit-box-decoration-break:clone;box-decoration-break:clone}.highlight .highlight-span a,.highlight a,.text-content h3 .highlight-span a,.text-content h3 a,.text-content h5 .highlight-span a,.text-content h5 a{color:#83d0f2}.highlight .highlight-span a[name],.highlight a[name],.text-content h3 .highlight-span a[name],.text-content h3 a[name],.text-content h5 .highlight-span a[name],.text-content h5 a[name]{color:inherit;text-decoration:none}.highlight .highlight-span code,.highlight code,.text-content h3 .highlight-span code,.text-content h3 code,.text-content h5 .highlight-span code,.text-content h5 code{background-color:rgba(255,255,255,.4)!important;color:#fff!important}.cta-link,a,summary{color:#3d7e9a}.cta-link{-moz-appearance:none;-webkit-appearance:none;appearance:none;font-size:inherit;font-weight:inherit;letter-spacing:inherit;line-height:inherit;background-color:transparent;text-transform:inherit;border:0;position:relative;box-sizing:border-box;display:inline-block;border-bottom:2px solid;padding:10px 30px 10px 0;text-align:left}h2,h3,h4,h5,h6{line-height:1.2}html,main{background:#fff}article,aside,audio,canvas,details,figcaption,figure,figure img,footer,header,hgroup,main,nav,section,summary,video{display:block}html[dir=rtl] .cta-link{padding:10px 0 10px 30px;text-align:right}.cta-link .icon-arrow{position:absolute;top:30%;right:0;transition:right .2s}.center,sup{position:relative}.cta-link:focus .icon-arrow,.cta-link:hover .icon-arrow{right:-5px}.cta-link i[class^=icon-]{margin-top:4px}a,abbr,address,article,aside,audio,b,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,hr,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,p,pre,q,samp,section,small,span,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,ul,var,video{margin:0;padding:0;border:0}aside,details{margin-left:20px}address,caption,cite,code,dfn,th,var{font-style:inherit;font-weight:inherit}a img{border:0}html{color:#333}body{line-height:1.6;font-family:Arial,x-locale-body,sans-serif;letter-spacing:-.00278rem;font-size:18px;font-size:1rem;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:x-locale-heading-primary,zillaslab,Palatino,"Palatino Linotype",x-locale-heading-secondary,serif}aside{width:48.5%;float:right;background:#eee;padding:20px;margin-bottom:20px}aside>:last-child{margin-bottom:0;padding-bottom:0}aside h3:first-child,aside h4:first-child{margin-top:0}main{min-height:200px}details{margin-bottom:20px}html[dir=rtl] details{margin-left:0;margin-right:20px}summary{margin-left:-20px}html[dir=rtl] summary{margin-left:0;margin-right:-20px}summary h1,summary h2,summary h3,summary h4,summary h5,summary h6{display:inline-block;margin-bottom:0;color:inherit}summary::-webkit-details-marker{display:none}summary:before{display:inline-block;width:20px;color:#3d7e9a;content:"▶︎"}html[dir=rtl] summary:before{content:"◀︎"}details[open]>summary{margin-bottom:10px}h2,h3,hr{margin:20px 0}details[open]>summary:before{content:'\25BC\FE0E'}hr{border-top:3px solid #3d7e9a;height:0;box-sizing:border-box;max-width:none}@media print{header{display:none}}h1{font-size:51px;font-size:2.83333rem;line-height:1}h2{font-size:32px;font-size:1.77778rem}@media all and (min-width:47.9385em){h2{font-size:42px;font-size:2.33333rem}}h3{font-size:26px;font-size:1.44444rem}h4{margin:30px 0 20px;font-size:24px;font-size:1.33333rem}h5,h6{margin:10px 0;font-size:18px;font-size:1rem}p{margin-bottom:24px}blockquote{box-sizing:border-box;max-width:none;font-size:24px;font-size:1.33333rem;border:3px solid #83d0f2;border-width:3px 0;padding:20px 0;margin-bottom:20px}blockquote>p:last-child{margin-bottom:0}article>blockquote:first-child,article>div:first-child:empty+blockquote,article>p:first-child:empty+blockquote{border-top-width:0;padding-top:0}a:active,a:focus,a:hover{text-decoration:underline}a[name]{color:inherit}abbr[title]{cursor:help;text-decoration:dotted underline}sup{top:-.15em;vertical-align:top}:not(pre)>*>code,:not(pre)>code{background-color:#bbb;background-color:rgba(220,220,220,.5);border-radius:2px;box-decoration-break:clone;font-family:consolas,"Liberation Mono",courier,monospace;padding:0 2px;word-wrap:break-word}.index :not(pre)>*>code,.index :not(pre)>code,.indexListTerm :not(pre)>*>code,.indexListTerm :not(pre)>code{background-color:transparent;padding:0}.toc :not(pre)>*>code,.toc :not(pre)>code{background-color:inherit;color:inherit;font-family:inherit;font-size:inherit;padding:0}.quick-links :not(pre)>*>code,.quick-links :not(pre)>code{background-color:transparent;padding:0}:not(pre)>*>code a,:not(pre)>code a{color:#285c76}kbd{background-color:#eee;border-radius:3px;border:1px solid #b4b4b4;box-shadow:0 1px 1px rgba(0,0,0,.2),0 2px 0 0 rgba(255,255,255,.7) inset;color:#333;display:inline-block;font-family:consolas,"Liberation Mono",courier,monospace;font-size:.85em;font-weight:700;line-height:1;padding:2px 4px;white-space:nowrap}var{font-style:italic}button,input,optgroup,option,select,textarea{font-size:18px;font-size:1rem;font-family:Arial,x-locale-body,sans-serif;letter-spacing:-.00278rem;font-style:normal;font-weight:400}input[type=email],input[type=number],input[type=password],input[type=search],input[type=text],input[type=url],textarea{color:#4c4c4c;background:#fff;border:2px solid #9b9b9b;padding:6px 8px;font-weight:400}input[type=email]::-webkit-input-placeholder,input[type=number]::-webkit-input-placeholder,input[type=password]::-webkit-input-placeholder,input[type=search]::-webkit-input-placeholder,input[type=text]::-webkit-input-placeholder,input[type=url]::-webkit-input-placeholder,textarea::-webkit-input-placeholder{color:#a0a0a0}input[type=email]:-ms-input-placeholder,input[type=number]:-ms-input-placeholder,input[type=password]:-ms-input-placeholder,input[type=search]:-ms-input-placeholder,input[type=text]:-ms-input-placeholder,input[type=url]:-ms-input-placeholder,textarea:-ms-input-placeholder{color:#a0a0a0}input[type=email]::-moz-placeholder,input[type=number]::-moz-placeholder,input[type=password]::-moz-placeholder,input[type=search]::-moz-placeholder,input[type=text]::-moz-placeholder,input[type=url]::-moz-placeholder,textarea::-moz-placeholder{color:#a0a0a0}input[type=email]::placeholder,input[type=number]::placeholder,input[type=password]::placeholder,input[type=search]::placeholder,input[type=text]::placeholder,input[type=url]::placeholder,textarea::placeholder{color:#a0a0a0}textarea{color:#333;font-weight:400}input[type=search]{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration,input[type=search]::-webkit-search-results-button,input[type=search]::-webkit-search-results-decoration{display:none}.disabled,[disabled]{pointer-events:none;cursor:not-allowed;opacity:.5}.button,button,input[type=submit],input[type=button]{cursor:pointer;display:inline-block;line-height:1;font-weight:700;letter-spacing:normal;border:2px solid #9b9b9b;background-color:#fff;padding:5px 11px;color:#4c4c4c;text-decoration:none}.button.neutral,button.neutral,input[type=submit].neutral,input[type=button].neutral{border-color:#3d7e9a;color:#285c76}.button.negative,button.negative,input[type=submit].negative,input[type=button].negative{border-color:#e66465;color:#b65456}.button.positive,button.positive,input[type=submit].positive,input[type=button].positive{min-height:32px;border-color:#4d9f0c;color:#3a7408}.button.transparent,button.transparent,input[type=submit].transparent,input[type=button].transparent{background-color:transparent;border:0;padding-left:0;padding-right:0}.button.link,button.link,input[type=submit].link,input[type=button].link{-moz-appearance:none;-webkit-appearance:none;appearance:none;font-size:inherit;font-weight:inherit;letter-spacing:inherit;line-height:inherit;background-color:transparent;text-transform:inherit;border:0;padding:0;color:#3d7e9a}.title,caption{font-weight:700}.button.link:focus,.button.link:hover,button.link:focus,button.link:hover,input[type=submit].link:focus,input[type=submit].link:hover,input[type=button].link:focus,input[type=button].link:hover{text-decoration:underline}.button:active,.button:focus,.button:hover,.subnav .toggle-container .toggleable .toggler,.subnav a,.title{text-decoration:none}.button::-moz-focus-inner,button::-moz-focus-inner,input[type=submit]::-moz-focus-inner,input[type=button]::-moz-focus-inner{margin-top:-1px;margin-bottom:-1px}.button i[class^=icon-],button i[class^=icon-],input[type=submit] i[class^=icon-],input[type=button] i[class^=icon-]{font-size:19px;font-size:1.05556rem}.button i[class^=icon-]:before,button i[class^=icon-]:before,input[type=submit] i[class^=icon-]:before,input[type=button] i[class^=icon-]:before{cursor:pointer}.button:not(.only-icon) i[class^=icon-],button:not(.only-icon) i[class^=icon-],input[type=submit]:not(.only-icon) i[class^=icon-],input[type=button]:not(.only-icon) i[class^=icon-]{float:left;margin-right:10px}html[dir=rtl] .button:not(.only-icon) i[class^=icon-],html[dir=rtl] button:not(.only-icon) i[class^=icon-],html[dir=rtl] input[type=submit]:not(.only-icon) i[class^=icon-],html[dir=rtl] input[type=button]:not(.only-icon) i[class^=icon-]{float:right;margin-right:0;margin-left:10px}table{margin-bottom:24px}caption,th{text-align:left}html[dir=rtl] caption,html[dir=rtl] th{text-align:right}img,video{height:auto!important}i[class^=icon-]{cursor:default;display:inline-block}i[class^=icon-]:before{display:inline-block;text-decoration:none}label i[class^=icon-]:first-child{margin-left:0;margin-right:10px}html[dir=rtl] label i[class^=icon-]:first-child{margin-left:10px;margin-right:0}.icon{fill:currentColor}.icon-arrow,.icon-arrow-left,.icon-arrow-right,.icon-arrow-up,.icon-book,.icon-caret-down,.icon-caret-right,.icon-check-mark,.icon-chevron-down,.icon-chevron-up,.icon-close,.icon-cogs,.icon-exclamation-circle,.icon-exclamation-triangle,.icon-external-link,.icon-eye,.icon-file,.icon-flask,.icon-gear,.icon-globe,.icon-info-circle,.icon-language,.icon-lock,.icon-pencil,.icon-plain-text,.icon-play,.icon-shield,.icon-tags,.icon-undo,.search-icon .icon-search{width:16px;height:16px}.prevnext .icon-arrow-left,.prevnext .icon-arrow-right,.prevnext .icon-arrow-up,i.icon-beaker,i.icon-thumbs-down-alt,i.icon-trash,i.icon-warning-sign{background-size:16px;width:16px;height:20px}.prevnext .icon-arrow-left{background-image:url("../../arrows/arrow-left.a2228d53afdf.svg");vertical-align:sub}.prevnext .icon-arrow-up{background-image:url("../../arrows/arrow-up.7bcf357a852e.svg");vertical-align:sub}.prevnext .icon-arrow-right{background-image:url("../../arrows/arrow-right.cbc8b4f075cc.svg");vertical-align:sub}i.icon-thumbs-down-alt{background-image:url("../../emojis/thumbs-down.63ec272cd3f4.svg");vertical-align:bottom}i.icon-beaker{background-image:url("../../general/flask.6c6c1a459b56.svg");vertical-align:text-bottom}i.icon-warning-sign{background-image:url("../../notifications/exclamation-triangle.6d44000df248.svg");vertical-align:bottom}i.icon-trash{background-image:url("../../general/trash.79fdf785540e.svg");vertical-align:text-bottom}i.icon-info-sign{background-image:url("../../notifications/info-circle.6f96056ac6bb.svg");background-size:24px;width:24px;height:30px}.icon-only-inline i.icon-warning-sign{background-image:url(data:image/svg+xml;base64,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);background-size:16px;width:16px;height:20px}.icon-only-inline i.icon-trash{background-image:url(data:image/svg+xml;base64,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);background-size:16px;width:16px;height:20px}.standard-table i.icon-cogs{background-image:url("../../general/cogs.b0c3ac3f2387.svg");background-size:16px;width:16px;height:20px}.login-link .icon{margin-left:5px;vertical-align:text-bottom}.icon-language,.page-attachments .icon-paperclip,.page-attachments .icon-question-mark,.page-tags .icon-question-mark,.page-tags .icon-tags,.revision-comment-link .icon-question-mark{vertical-align:bottom}.page-tags .icon-tags{width:24px;height:24px}.tag-attach-list .icon-tags{vertical-align:middle}.contributors-sub .icon-clock,.contributors-sub .icon-group{margin-right:5px;width:14px;height:14px;vertical-align:middle}.user-buttons .icon-gear,button[type=submit] .icon-check-mark{vertical-align:bottom}.contributors-sub .icon-clock{width:16px;height:16px}.site.github .icon-github,.user-buttons .icon-pencil{margin-right:5px;vertical-align:bottom}.user-links .icon-discourse,.user-links .icon-facebook,.user-links .icon-github,.user-links .icon-group,.user-links .icon-linkedin,.user-links .icon-stack-overflow,.user-links .icon-twitter{margin-right:5px;width:21px;height:21px;vertical-align:inherit}.user-links .icon-facebook,.user-links .icon-linkedin{vertical-align:top}.user-links .icon-github,.user-links .icon-twitter{vertical-align:bottom}.attachment .icon-paperclip{width:16px;height:16px;vertical-align:bottom}.email_list .icon-trash,.search-results-filters .icon-checkbox,.search-results-filters .icon-list{vertical-align:middle}.search-results-filters .icon-checkbox{margin-bottom:2px;width:16px;height:16px}.search-results-container .icon-file{margin-right:10px;width:21px;height:21px}.dashboard-detail-details .icon-book,.dashboard-detail-details .icon-pencil,.dashboard-detail-details .icon-play,.dashboard-detail-details .icon-undo{float:left;margin-right:5px}.column-hacks .icon-arrow{vertical-align:text-bottom}.clear:after{content:' ';clear:both;display:table}.align-center{text-align:center}.center{margin:0 auto;max-width:87.4375em;padding-left:15px;padding-right:15px}main>.center{padding-top:30px;padding-bottom:30px}@media all and (min-width:47.9385em){.center{padding-left:24px;padding-right:24px}}.wiki-main-content .center{padding-left:0;padding-right:0}@media print{.center{padding-left:0;padding-right:0}}.hidden,.is-hidden{display:none}.translate-rendered .hidden,.translate-rendered .is-hidden,body[contenteditable] .hidden,body[contenteditable] .is-hidden,html.cke_panel_container .hidden,html.cke_panel_container .is-hidden{position:relative;display:block;border:2px dotted #000;padding:3px}.translate-rendered .hidden:before,.translate-rendered .is-hidden:before,body[contenteditable] .hidden:before,body[contenteditable] .is-hidden:before,html.cke_panel_container .hidden:before,html.cke_panel_container .is-hidden:before{font-size:14px;font-size:.77778rem;font-family:Helvetica,arial,sans-serif;content:'hidden';position:absolute;top:-17px;left:-2px;z-index:10;display:block;padding:0 2px;background:#000;color:#fff}.submenu .title,.text-content table.standard-table:not(.learn-box) td.header,.text-content table.standard-table:not(.learn-box) th{font-family:x-locale-heading-primary,zillaslab,Palatino,"Palatino Linotype",x-locale-heading-secondary,serif}.title{color:#333;display:block}.smaller{font-size:16px;font-size:.88889rem}.larger{font-size:19px;font-size:1.05556rem}.grid-padding{padding:20px}.fixed{position:fixed;top:0;z-index:10;overflow-y:auto}.media,.media-body,.notification,.notification-message{overflow:hidden;zoom:1}.media-side,.notification-img{float:left;margin-right:10px}html[dir=rtl] .media-side,html[dir=rtl] .notification-img{float:right;margin-right:0;margin-left:10px}.media-side img,.notification-img img{display:block}.media-reverse .media-side,.media-reverse .notification-img{float:right;margin-left:10px}html[dir=rtl] .media-reverse .media-side,html[dir=rtl] .media-reverse .notification-img{float:left;margin-left:0;margin-right:10px}@media all and (max-width:47.9375em){h1 code,h2 code,h3 code,h4 code,h5 code,h6 code{word-break:break-all}.column-hacks .icon-star,.column-involved .icon-smile{width:16px;height:16px}.media-mobile-stack .media-body,.media-mobile-stack .media-side,.media-mobile-stack .notification-img,.media-mobile-stack .notification-message{float:none;margin-left:0;margin-right:0}.media-mobile-stack.media-reverse{display:table;caption-side:top;width:100%}.media-mobile-stack.media-reverse .media-side,.media-mobile-stack.media-reverse .notification-img{display:table-cell}.media-mobile-stack.media-reverse .media-body,.media-mobile-stack.media-reverse .notification-message{display:table-caption}}@media all and (max-width:29.9375em){.media-small-mobile-stack .media-body,.media-small-mobile-stack .media-side,.media-small-mobile-stack .notification-img,.media-small-mobile-stack .notification-message{float:none;margin-left:0;margin-right:0}.media-small-mobile-stack.media-reverse{display:table;caption-side:top;width:100%}.media-small-mobile-stack.media-reverse .media-side,.media-small-mobile-stack.media-reverse .notification-img{display:table-cell}.media-small-mobile-stack.media-reverse .media-body,.media-small-mobile-stack.media-reverse .notification-message{display:table-caption}}.only-icon i[class^=icon-]{margin-top:-1px!important}.bump-left-padding{padding-left:40px}.light-grey-background{background-color:#eee}.toggler{position:relative}.toggler i[class^=icon-]{position:absolute;top:3px;color:#333;right:10px}html[dir=rtl] .toggler i[class^=icon-]{right:auto;left:10px}.toggler .icon-caret-right{-webkit-transform:rotate(0);-ms-transform:rotate(0);transform:rotate(0)}html[dir=rtl] .toggler .icon-caret-right{-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.toggle-container.closed{display:none}.subnav .toggler,.subnav>ol>li>a{padding:20px 40px 20px 20px;border-bottom:1px dotted #d4dde4;text-transform:uppercase;display:block}.subnav ol ol{display:none}.no-js .subnav ol ol{display:block}.subnav .toggleable.current,.subnav>ol>li.current{background:#eee}.subnav i[class^=icon-]{top:23px;right:20px}html[dir=rtl] .subnav i[class^=icon-]{right:auto;left:20px}.subnav .toggle-container a{font-size:16px;font-size:.88889rem;display:block;padding:6px 20px}.subnav .toggle-container .toggleable{background:#e9eef1}.subnav .toggle-container .toggleable .toggler{color:#333;display:block;font-weight:400;padding-top:10px;padding-bottom:10px;border:0}.subnav .toggle-container .toggleable .toggler i{top:10px}.subnav .toggle-container .toggleable .toggle-container a{padding-left:30px}.subnav .toggle-container li.current>a:not(.toggler){position:relative;color:#fff;background-color:#333}.subnav .toggle-container li.current>a:not(.toggler):after,.subnav .toggle-container li.current>a:not(.toggler):before{content:' ';height:0;position:absolute;width:0;border:10px solid transparent}.subnav .toggle-container li.current>a:not(.toggler):before{border-right-color:#fff;position:absolute;top:20%;right:0}.subnav a:active,.subnav a:focus,.subnav a:hover{text-decoration:underline}.notification{border-radius:2px;border-style:solid;border-width:2px;margin-bottom:20px;padding:10px;position:relative}body>.notification{margin-bottom:0}.text-content .notification{box-sizing:border-box;max-width:none}.notification.closed{display:none}.notification.clickable{cursor:pointer}.notification button.close{background:0 0;border:0;display:block;padding:2px;position:absolute;top:0;right:0}.notification{background-color:#eee;border-color:#696969;color:#333}.notification .notification-button{background-color:#696969;color:#333}.notification .notification-button:focus,.notification .notification-button:hover{background:0 0;text-decoration:none}.notification button.close{color:#696969}.notification button.close:focus,.notification button.close:hover{color:#4c4c4c}.notification.info{background-color:#e4f0f5;border-color:#3d7e9a;color:#333}.notification.info .notification-button{background-color:#3d7e9a;color:#333}.notification.info .notification-button:focus,.notification.info .notification-button:hover{background:0 0;text-decoration:none}.notification.info button.close{color:#3d7e9a}.notification.info button.close:focus,.notification.info button.close:hover{color:#285c76}.notification.success{background-color:#ebf8e1;border-color:#4d9f0c;color:#333}.notification.success .notification-button{background-color:#4d9f0c;color:#333}.notification.success .notification-button:focus,.notification.success .notification-button:hover{background:0 0;text-decoration:none}.notification.success button.close{color:#4d9f0c}.notification.success button.close:focus,.notification.success button.close:hover{color:#3a7408}.notification.warning{background-color:#fff3d4;border-color:#f6b73c;color:#333;border-width:2px;font-style:normal}.notification.warning .notification-button{background-color:#f6b73c;color:#333}.notification.warning .notification-button:focus,.notification.warning .notification-button:hover{background:0 0;text-decoration:none}.notification.warning button.close{color:#f6b73c}.notification.warning button.close:focus,.notification.warning button.close:hover{color:#b28529}.notification.warning a,.notification.warning a:focus,.notification.warning a:hover,.notification.warning a:visited{border-bottom:0;color:#3d7e9a;text-decoration:none}.notification.warning a:focus,.notification.warning a:hover{text-decoration:underline}.notification.error{background-color:#ffe7e8;border-color:#e66465;color:#333}.notification.error .notification-button{background-color:#e66465;color:#333}.notification.error .notification-button:focus,.notification.error .notification-button:hover{background:0 0;text-decoration:none}.notification.error button.close{color:#e66465}.notification.error button.close:focus,.notification.error button.close:hover{color:#b65456}.notification-message :first-child{margin-top:0}.notification-button{border:1px solid;border-radius:2px;display:inline-block;line-height:1;margin:5px 5px 0 0;padding:2px 5px 3px;text-transform:none}.notification.warning .notification-button{border:1px solid;margin:5px 5px 0 0;padding:2px 5px 3px}.notification-tray{position:fixed;top:10px;right:10px;z-index:999999;width:300px;font-size:16px}.notification-tray .notification{margin-bottom:8px}@media print{.notification-tray{display:none}}ul.option-list li:after,ul.option-list:after{content:' ';clear:both;display:table}ul.option-list{clear:both;float:left;max-width:100%;overflow:hidden;padding-left:20px}html[dir=rtl] ul.option-list{padding-left:0;padding-right:20px}ul.option-list li{clear:both}.option-list-options{float:right;margin-left:20px;text-align:right}html[dir=rtl] .option-list-options{float:left;margin-left:20px;margin-right:20px;text-align:left}.text-content dl,.text-content ol,.text-content ul{box-sizing:border-box;max-width:none}.text-content ul{list-style:disc}.text-content ul ul{list-style:circle}.text-content ol ol,.text-content ol ul,.text-content ul ol,.text-content ul ul{margin-bottom:0;padding-top:6px}.text-content ol,.text-content ul{margin-bottom:24px;padding-left:40px}html[dir=rtl] .text-content ol,html[dir=rtl] .text-content ul{padding-left:0;padding-right:40px}.text-content ol.no-bullets,.text-content ul.no-bullets{list-style-type:none;padding-left:0}html[dir=rtl] .text-content ol.no-bullets,html[dir=rtl] .text-content ul.no-bullets{padding-left:0;padding-right:0}.text-content ol{list-style-type:decimal}.text-content li{margin-bottom:6px}.text-content>li:last-child{padding-bottom:0}.text-content dt{font-style:normal;font-weight:700}.text-content dd{margin-bottom:24px;padding-left:20px}html[dir=rtl] .text-content dd{padding-left:0;padding-right:20px}.text-content img.lwrap{padding:0 20px 10px 0}.text-content img.rwrap{padding:0 0 10px 20px}.text-content article[id=wikiArticle]>div:not([class])>h2,.text-content article[id=wikiArticle]>h2{position:relative;margin-top:103px}.text-content article[id=wikiArticle]>div:not([class])>h2:before,.text-content article[id=wikiArticle]>h2:before{border-top:3px solid #3d7e9a;content:'';display:block;position:absolute;top:-50px;width:100%;left:0}html[dir=rtl] .text-content article[id=wikiArticle]>div:not([class])>h2:before,html[dir=rtl] .text-content article[id=wikiArticle]>h2:before{left:auto;right:0}.text-content article[id=wikiArticle]>div:first-child:empty+div:not([class])>h2:first-child,.text-content article[id=wikiArticle]>div:first-child:empty+h2,.text-content article[id=wikiArticle]>h2:first-child,.text-content article[id=wikiArticle]>p:first-child:empty+div:not([class])>h2:first-child,.text-content article[id=wikiArticle]>p:first-child:empty+h2{margin-top:0;padding-top:0}.text-content article[id=wikiArticle]>div:first-child:empty+div:not([class])>h2:first-child:before,.text-content article[id=wikiArticle]>div:first-child:empty+h2:before,.text-content article[id=wikiArticle]>h2:first-child:before,.text-content article[id=wikiArticle]>p:first-child:empty+div:not([class])>h2:first-child:before,.text-content article[id=wikiArticle]>p:first-child:empty+h2:before{display:none}.text-content article[id=wikiArticle]>.summary+h2,.text-content article[id=wikiArticle]>blockquote+h2,.text-content article[id=wikiArticle]>hr+h2{margin-top:-23px;padding-top:43px;background-color:#fff}.text-content article[id=wikiArticle]>.summary+h2:before,.text-content article[id=wikiArticle]>blockquote+h2:before,.text-content article[id=wikiArticle]>hr+h2:before{top:0}.text-content.boxed>h2{position:relative;margin-top:103px}.text-content.boxed>h2:before{border-top:3px solid #3d7e9a;content:'';display:block;position:absolute;top:-50px;width:100%;left:0}.text-content div:empty,.text-content p:empty,.ui-helper-hidden-accessible{display:none}html[dir=rtl] .text-content.boxed>h2:before{left:auto;right:0}.text-content article[id=wikiArticle]>div:not([class])>h3 .highlight-span,.text-content article[id=wikiArticle]>h3 .highlight-span,.text-content article[id=wikiArticle]>h3:not(.highlight-spanned){padding:0 4px 0 20px}html[dir=rtl] .text-content article[id=wikiArticle]>div:not([class])>h3 .highlight-span,html[dir=rtl] .text-content article[id=wikiArticle]>h3 .highlight-span,html[dir=rtl] .text-content article[id=wikiArticle]>h3:not(.highlight-spanned){padding:0 20px 0 4px}@media all and (min-width:47.9385em){.text-content article[id=wikiArticle]>div:not([class])>h3 .highlight-span,.text-content article[id=wikiArticle]>h3 .highlight-span,.text-content article[id=wikiArticle]>h3:not(.highlight-spanned){padding:0 4px 0 40px}html[dir=rtl] .text-content article[id=wikiArticle]>div:not([class])>h3 .highlight-span,html[dir=rtl] .text-content article[id=wikiArticle]>h3 .highlight-span,html[dir=rtl] .text-content article[id=wikiArticle]>h3:not(.highlight-spanned){padding:0 40px 0 4px}}.text-content table{box-sizing:border-box;width:100%;max-width:100%;border-collapse:collapse;border:solid #e0e0dc;border-width:1px 0 0 1px}.text-content table dl,.text-content table p,.text-content table ul{max-width:100%}.text-content table.standard-table:not(.learn-box){border:2px solid #fff}.text-content table.standard-table:not(.learn-box) td{background-color:#f9fafb;background-color:rgba(212,221,228,.15);border:2px solid #fff;box-shadow:inset 0 -1px 0 0 rgba(212,221,228,.5)}.text-content table.standard-table:not(.learn-box):not(.nostripe) tr:nth-child(odd) td{background-color:#f4f7f8;background-color:rgba(212,221,228,.25)}.text-content table.standard-table:not(.learn-box) td.header,.text-content table.standard-table:not(.learn-box) th{border:2px solid #fff;border-bottom:2px solid #d4dde4;background:#eaeef2;background:rgba(212,221,228,.5);padding:2px 8px 4px;font-weight:700}.text-content table.standard-table:not(.learn-box).fullwidth{width:100%}.text-content table.fullwidth-table{background:#fff;border-width:1px;border-style:solid;border-color:#eaeef2;border-color:rgba(212,221,228,.5);margin-bottom:20px;width:100%}.text-content table.fullwidth-table td{border:1px solid #ccc;padding:5px;vertical-align:top;text-align:left}html[dir=rtl] .text-content table.fullwidth-table td{text-align:right}.text-content table.fullwidth-table td.header,.text-content table.fullwidth-table th{background:#eaeef2;background:rgba(212,221,228,.5);border:1px solid #d4dde4;padding:5px}.text-content td,.text-content th{border:solid #e0e0dc;border-width:0 1px 1px 0;padding:6px 8px;text-align:left}html[dir=rtl] .text-content td,html[dir=rtl] .text-content th{text-align:right}.text-content thead th{background:#eaeef2;background:rgba(212,221,228,.5)}.text-content p{box-sizing:border-box;max-width:none}.text-content pre{box-sizing:border-box;width:100%;max-width:100%}.text-content pre dl,.text-content pre p,.text-content pre ul{max-width:100%}.ui-autocomplete{background:#fff;border:1px solid #e3e3e3;border-top:0;cursor:default;padding-top:2px;position:absolute;box-shadow:1px 1px 1px rgba(0,0,0,.08)}.global-notice,.ui-menu .ui-state-active,.ui-menu .ui-state-focus,.ui-menu .ui-state-highlight,.ui-menu .ui-state-hover{background:#eee}.ui-menu{float:left;list-style:none;margin:0;padding:0}.ui-menu .ui-menu-item{clear:left;float:left;margin:0;padding:0;width:100%;zoom:1}.ui-menu .ui-menu-item a{display:block;line-height:1.5;text-decoration:none;zoom:1}@media all and (max-width:47.9375em){.option-list-options{width:100%}.column-1,.column-10,.column-11,.column-12,.column-2,.column-3,.column-4,.column-5,.column-6,.column-7,.column-8,.column-9,.column-all,.column-container>[class^=column-],.column-half,.column-quarter,.column-strip,.column-third{clear:both}.column-10:after,.column-11:after,.column-12:after,.column-1:after,.column-2:after,.column-3:after,.column-4:after,.column-5:after,.column-6:after,.column-7:after,.column-8:after,.column-9:after,.column-all:after,.column-container>[class^=column-]:after,.column-half:after,.column-quarter:after,.column-strip:after,.column-third:after{content:' ';clear:both;display:table}}@media all and (min-width:47.9385em){.column-container{clear:both}.column-container:after{content:' ';clear:both;display:table}.column-container>[class^=column-]{margin-right:3%;min-height:1px;float:left}.column-container.column-container-reverse>[class^=column-],html[dir=rtl] .column-container>[class^=column-]{float:right}.column-container>[class^=column-]:first-child{margin-right:3%}.column-container>[class^=column-]:last-child,html[dir=rtl] .column-container>[class^=column-]:first-child{margin-right:0}html[dir=rtl] .column-container>[class^=column-]:last-child{margin-right:3%}html[dir=rtl] .column-container.column-container-reverse>[class^=column-]{float:left}.column-container.column-container-reverse>[class^=column-]:first-child{margin-right:0}.column-container.column-container-reverse>[class^=column-]:last-child,html[dir=rtl] .column-container.column-container-reverse>[class^=column-]:first-child{margin-right:3%}html[dir=rtl] .column-container.column-container-reverse>[class^=column-]:last-child{margin-right:0}.column-closed{display:none}.column-1{width:5.58333%}.column-2{width:14.16667%}.column-3,.column-quarter,.column-strip{width:22.75%}.column-4,.column-third{width:31.33333%}.column-5{width:39.91667%}.column-6,.column-half{width:48.5%}.column-7{width:57.08333%}.column-8{width:65.66667%}.column-9,.column-main{width:74.25%}.column-10{width:82.83333%}.column-11{width:91.41667%}.column-12,.column-all{width:auto;margin:0;float:none}}.cols-2{-moz-column-count:2;-webkit-column-count:2;column-count:2;column-gap:10px}.cols-3{-moz-column-count:3;-webkit-column-count:3;column-count:3;column-gap:10px}.cols-4{-moz-column-count:4;-webkit-column-count:4;column-count:4;-moz-column-gap:10px;-webkit-column-gap:10px;column-gap:10px}.global-notice{position:relative;margin:0 0 -1px}.global-notice .wrap{font-size:16px;font-size:.88889rem;padding:10px 24px}.global-notice .wrap>p:last-child{margin-bottom:0}@media print{.global-notice{display:none}}#nav-access{width:100%;position:absolute;top:-20em;z-index:1001}#nav-access a{background:#fff;background:rgba(255,255,255,.9);padding:12px 10px;position:absolute;left:0;right:0;font-weight:700;text-align:center}#nav-access a:focus,#nav-access a:hover{box-shadow:3px 3px 5px #aaa;top:20em;text-decoration:none}#main-header{clear:both;position:relative;z-index:96;border:5px solid #83d0f2;border-width:5px 0 0;background-color:#fff}#main-header:after{content:' ';clear:both;display:table}.header-main{display:flex;flex-direction:column;padding:15px 15px 0}@media all and (min-width:47.9385em){.header-main{display:block}}@media all and (min-width:63.9385em){.header-main{display:flex;flex-direction:row;padding-top:0;padding-left:15px;padding-right:0}html[dir=rtl] .header-main{padding-left:0;padding-right:15px}}.logo{position:relative;z-index:97;width:170px;height:30px;background:url("../../img/web-docs-sprite.22a6a085cf14.svg") 100% 0 no-repeat;background-size:219px auto;display:block;direction:ltr;text-indent:-9999px;overflow:hidden;flex-shrink:1}@media all and (min-width:47.9385em){.logo{display:block;position:relative;height:48px}}@media all and (min-width:63.9385em){.logo{background-size:100% auto;margin-top:15px;width:219px}}.submenu{box-sizing:border-box;display:none;position:absolute;z-index:99;top:100%;width:250px;padding:15px;border-top:5px solid #eee;box-shadow:0 4px 4px rgba(0,0,0,.15);background-color:#fff;right:0;text-align:left}html[dir=rtl] .submenu{right:auto;left:0;text-align:right}.submenu.submenu-cols-2{width:500px}.submenu .submenu-column{box-sizing:border-box;display:inline-block;vertical-align:text-top;width:250px;padding-right:20px}html[dir=rtl] .submenu .submenu-column{padding-right:0;padding-left:20px}@supports (width:-webkit-max-content) or (width:-moz-max-content) or (width:max-content){.submenu,.submenu .submenu-column,.submenu.submenu-cols-2{width:-webkit-max-content;width:-moz-max-content;width:-ms-max-content;width:max-content}.submenu .submenu-column+.submenu-column{padding-left:40px}html[dir=rtl] .submenu .submenu-column+.submenu-column{padding-left:20px;padding-right:40px}}.submenu .title{font-size:24px;font-size:1.33333rem}.submenu i[class^=icon-]{margin-left:5px}html[dir=rtl] .submenu i[class^=icon-]{margin-left:0;margin-right:5px}.submenu a{display:block;padding:5px 0;margin-bottom:5px}.page-buttons .submenu{border-top:5px solid #9b9b9b;left:auto;right:0}html[dir=rtl] .page-buttons .submenu{right:auto;left:0}.submenu-close{position:absolute;top:0;z-index:1;right:0}.nav-main,.nav-main-search,.toolbox{position:relative}html[dir=rtl] .submenu-close{right:auto;left:0}@media all and (max-width:47.9375em){.nav-main .submenu{position:relative;width:100%;padding:0;border-top:0;box-shadow:none}.nav-main .submenu a{display:block}.nav-main .submenu .submenu-column,.nav-main .submenu.submenu-cols-2{width:100%}.nav-main .submenu .submenu-column+.submenu-column,.nav-main .submenu.submenu-cols-2+.submenu-column{padding-left:0}html[dir=rtl] .nav-main .submenu .submenu-column+.submenu-column,html[dir=rtl] .nav-main .submenu.submenu-cols-2+.submenu-column{padding-left:0;padding-right:0}}@media all and (min-width:74.9375em){.submenu-close{display:none}}.nav-toolbox-wrapper{display:block}@media all and (min-width:47.9385em){.nav-toolbox-wrapper{display:flex;flex-direction:row;margin-top:24px;border-top:5px solid #eee}.nav-toolbox-wrapper .toolbox{text-align:right}html[dir=rtl] .nav-toolbox-wrapper .toolbox{text-align:left}}.nav-toolbox-wrapper.hidden{display:none}.toolbox{display:block;z-index:97}.nav-tools,.toolbox.hidden{display:none}@media all and (min-width:63.9385em){.nav-toolbox-wrapper{margin-top:0;border-top:0;flex-grow:2;flex-shrink:2}.toolbox{text-align:right}.toolbox>ul>li>a{padding:0 10px;color:#333}.toolbox>ul>li>a:focus,.toolbox>ul>li>a:hover{color:#333}.nav-tools{display:inline-block;position:relative;border:0}.nav-tools>a{display:inline-block;line-height:88px;padding:0 10px}html:not(.no-js) .nav-tools>a{text-decoration:none}html:not(.no-js) .nav-tools>a i[class^=icon-]{display:inline-block;float:none;margin-left:5px}html[dir=rtl]:not(.no-js) .nav-tools>a i[class^=icon-]{margin-right:5px}.nav-tools>a:focus,.nav-tools>a:hover{background-color:#eee;color:#333}}@media all and (min-width:47.9385em){.toolbox{flex-grow:2;flex-shrink:2}.nav-login{display:inline-block}}@media all and (max-width:47.9375em){.button.logout,.login .submenu a,.login-form,.login>a{display:block}.login{border-bottom:1px solid #333}.login>a{padding:6px 0}.login>a i[class^=icon-]{float:right}html[dir=rtl] .login>a i[class^=icon-]{float:left}.login .submenu{position:relative;width:100%;padding:0;border-top:0;box-shadow:none}.login-form{margin:6px 0}.login-photo{display:none}}@media all and (min-width:47.9385em){.login-name{display:none}.login,.login>a{display:inline-block}.login{position:relative;border:0}.login>a{line-height:88px;color:#333;padding:0 10px}html:not(.no-js) .login>a{text-decoration:none}html:not(.no-js) .login>a i[class^=icon-]{display:inline-block;float:none;margin-left:5px}html[dir=rtl]:not(.no-js) .login>a i[class^=icon-]{margin-right:5px}.login>a:focus,.login>a:hover{background-color:#eee;color:#333;text-decoration:underline}.login-photo{border-radius:50%;max-width:50px;max-height:50px;vertical-align:middle;overflow:hidden}.nav-main{min-height:88px}}.nav-main{display:block;z-index:95}@media all and (min-width:63.9385em){.nav-main{min-height:0;padding-top:0}.nav-main:after{display:none}}html:not(.no-js) .nav-main-item>a{color:#333;text-decoration:none}.expanded .nav-main{flex-grow:2;flex-shrink:2}.nav-main-item{border-bottom:1px solid #333}.nav-main-item>a{display:block;padding:6px 0}.nav-main-item>a i[class^=icon-]{float:right}html[dir=rtl] .nav-main-item>a i[class^=icon-]{float:left}@media all and (min-width:47.9385em){.nav-main-item{display:inline-block;position:relative;border:0}.nav-main-item>a{display:inline-block;line-height:88px;padding:0 10px}html:not(.no-js) .nav-main-item>a{text-decoration:none}html:not(.no-js) .nav-main-item>a i[class^=icon-]{display:inline-block;float:none;margin-left:5px}html[dir=rtl]:not(.no-js) .nav-main-item>a i[class^=icon-]{margin-right:5px}.nav-main-item>a:focus,.nav-main-item>a:hover{background-color:#eee;color:#333}.nav-main-search{position:absolute;top:15px;min-width:100px;right:15px}html[dir=rtl] .nav-main-search{right:auto;left:15px}}.nav-main-search{display:block;background-color:transparent}@media all and (min-width:63.9385em){.nav-main-item>a{padding:0 10px}.nav-main-search{display:inline-block;background-color:#222;position:relative;top:0;vertical-align:top;right:auto}html[dir=rtl] .nav-main-search{right:auto;left:auto}}.nav-main-search input[type=search]{color:#333;margin:6px auto;width:100%;padding-left:2.5em}html[dir=rtl] .nav-main-search input[type=search]{padding-left:0;padding-right:2.5em}@media all and (min-width:63.9385em){.nav-main-search input[type=search]{background-color:#222;color:#fff;border:0;border-bottom:1px solid #fff;border-radius:unset;-webkit-appearance:none;outline:0;margin-right:50px;margin-left:75px;padding-left:0}html[dir=rtl] .nav-main-search input[type=search]{margin-right:75px;margin-left:50px;padding-left:0;padding-right:0}}.footer-group,.languages{border-bottom:1px solid #fff}@media all and (min-width:74.9375em){.nav-main-search input[type=search]{width:335px}}@media all and (min-width:63.9385em) and (max-width:74.9375em){.nav-main-search input[type=search]{width:255px;margin-right:15px;margin-left:15px}html[dir=rtl] .nav-main-search input[type=search]{margin-right:15px;margin-left:15px}}.search-trigger{position:absolute;top:12px;z-index:2;left:15px}html[dir=rtl] .search-trigger{left:auto;right:15px}.search-trigger i[class^=icon-]{cursor:pointer}.close-header-search{display:none}@media all and (min-width:63.9385em) and (min-width:63.9385em) and (max-width:74.9375em){.expanded .search-trigger{display:none}}@media all and (min-width:63.9385em){.search-trigger,html[dir=rtl] .search-trigger{left:30%;right:auto}.search-trigger{position:absolute;top:5px;color:#fff}.search-trigger i[class^=icon-]{font-size:32px;font-size:1.77778rem}.nav-main-search{cursor:pointer}.search-wrap{width:0;overflow:hidden;line-height:88px;-moz-transition-property:width,opacity;-webkit-transition-property:width,opacity;transition-property:width,opacity;-moz-transition-duration:.5s;-webkit-transition-duration:.5s;transition-duration:.5s}.expanded .nav-main-search{cursor:default}.expanded .search-trigger{left:15px}html[dir=rtl] .expanded .search-trigger{left:auto;right:15px}.expanded .close-header-search{position:absolute;top:20px;display:inline-block;color:#fff;right:45px}html[dir=rtl] .expanded .close-header-search{right:auto;left:45px}}@media all and (min-width:63.9385em) and (min-width:63.9385em) and (max-width:74.9375em){.expanded .close-header-search{right:25px}html[dir=rtl] .expanded .close-header-search{right:auto;left:25px}}@media all and (min-width:63.9385em) and (max-width:74.9375em){.expanded .search-wrap{width:300px}}@media all and (min-width:74.9375em){.expanded .search-wrap{width:450px}}html[lang=de] .nav-main-search{min-width:80px}@media all and (min-width:63.9385em) and (max-width:74.9375em){html[lang=de] .expanded .search-wrap{width:280px}}.search-form{display:block;margin:20px auto 40px;padding:0;position:relative;width:100%;max-width:775px}.search-form.home-search-form{margin:40px auto}.search-form>input#home-q,.search-form>input#search-q{display:block;width:100%;margin:0 auto;padding:10px 10px 10px 48px;background:#fff;font-size:19px;font-size:1.05556rem}html[dir=rtl] .search-form>input#home-q,html[dir=rtl] .search-form>input#search-q{padding-left:0;padding-right:48px}.search-form>input#home-q::-webkit-input-placeholder,.search-form>input#search-q::-webkit-input-placeholder{color:#333}.search-form>input#home-q:-ms-input-placeholder,.search-form>input#search-q:-ms-input-placeholder{color:#333}.search-form>input#home-q::-moz-placeholder,.search-form>input#search-q::-moz-placeholder{color:#333}.search-form>input#home-q::placeholder,.search-form>input#search-q::placeholder{color:#333}.search-form .search-icon{position:absolute;top:0;bottom:0;width:48px;display:flex;align-items:center;justify-content:center;left:0}html[dir=rtl] .search-form .search-icon{left:auto;right:0}.search-form .search-icon:after{content:'';position:absolute;top:10px;bottom:10px;display:block;border-left:1px solid #9b9b9b;left:40px}.footer-group:after,.languages:after,.nav-footer:after{content:' '}html[dir=rtl] .search-form .search-icon:after{left:auto;right:40px}@media all and (min-width:63.9385em){.search-form.home-search-form{margin:0 auto 30px}.search-form>input#home-q,.search-form>input#search-q{padding:20px 20px 20px 70px}html[dir=rtl] .search-form>input#home-q,html[dir=rtl] .search-form>input#search-q{padding-left:0;padding-right:70px}.search-form .search-icon{width:60px}.search-form .search-icon:after{top:20px;bottom:20px;left:54px}html[dir=rtl] .search-form .search-icon:after{left:auto;right:54px}}.footer-group,.footer-tos,.languages{margin-bottom:15px}.document-head{position:relative;z-index:88;clear:both;background-color:#f5f9fa;padding:30px 0}.document-title h1{font-size:32px;font-size:1.77778rem}.document-title em{font-style:normal;text-transform:none;margin-left:-3px}html[dir=rtl] .document-title em{margin-left:0;margin-right:-3px}.document-actions{padding-bottom:0;text-align:right}.footer-group,.nav-footer{padding-bottom:15px;clear:both}html[dir=rtl] .document-actions{text-align:left}.document-actions .page-buttons,html[dir=rtl] .document-actions .page-buttons{float:none}@media all and (min-width:29.9385em){.document-title h1{font-size:51px;font-size:2.83333rem}@supports (display:flex){.document-head .center{display:flex;justify-content:space-between;flex-wrap:wrap}.document-head .center .document-title{flex-grow:1}.document-head .center .document-actions{flex-grow:9999;text-align:right}html[dir=rtl] .document-head .center .document-actions{text-align:left}}}.title-prefix{font-size:24px;font-size:1.33333rem;display:block;color:#696969}.title-properties button.link{font-size:16px;font-size:.88889rem;font-weight:700}.title-locale{font-size:16px;font-size:.88889rem}.nav-footer{padding-top:15px;background-color:#222;color:#fff}.nav-footer:after{clear:both;display:table}.nav-footer a{color:#83d0f2}.nav-footer-logo,.nav-footer-mozilla{width:219px;height:48px;background:url("../../img/web-docs-sprite.22a6a085cf14.svg") 100% -58px no-repeat;background-size:219px auto;display:block;direction:ltr;text-indent:-9999px;overflow:hidden;margin-bottom:15px}.nav-footer-mozilla{width:114px;height:32px;background:url("../../img/web-docs-sprite.22a6a085cf14.svg") -96px -171px no-repeat;background-size:420px auto}.footer-title{display:none}.footer-group:after{clear:both;display:table}.footer-group a{display:inline-block;padding:10px 0}.footer-social{font-size:24px;font-size:1.33333rem;display:inline-block;margin-right:10px}html[dir=rtl] .footer-social{margin-right:0;margin-left:10px}.footer-social a{padding-right:20px}html[dir=rtl] .footer-social a{padding-right:0;padding-left:20px}.languages{clear:both;padding-bottom:15px}.languages:after{clear:both;display:table}.languages label{font-size:14px;font-size:.77778rem}.footer-tos{font-size:19px;font-size:1.05556rem}.footer-tos li{display:inline-block;margin-right:20px}html[dir=rtl] .footer-tos li{margin-right:0;margin-left:20px}@media all and (min-width:47.9385em){.footer-group,.nav-footer{padding-bottom:24px}.footer-group,.footer-tos,.languages,.nav-footer-logo,.nav-footer-mozilla{margin-bottom:24px}.nav-footer{padding-top:24px}.footer-title{display:none}.footer-group a{padding:5px 0}.footer-social a{padding-right:10px}html[dir=rtl] .footer-social a{padding-right:0;padding-left:10px}.languages{clear:both;padding-bottom:24px}.languages:after{content:' ';clear:both;display:table}.languages select{max-width:22.75%}}@media all and (min-width:63.9385em){.footer-title,.languages label{display:block}.nav-footer{position:relative;padding:60px 20px}.footer-group-mdn,.footer-group-mozilla{position:absolute;top:20px;width:22.75%}.footer-group,.languages{border-bottom:none;padding-bottom:0}.nav-footer-logo,.nav-footer-mozilla{margin-bottom:40px}.footer-title{font-size:20px;font-size:1.11111rem;font-family:Arial,x-locale-body,sans-serif;letter-spacing:-.00278rem}.footer-group{margin-bottom:0}.footer-tos,.languages{margin-bottom:20px}.footer-group-mdn{left:39.91667%}html[dir=rtl] .footer-group-mdn{left:auto;right:39.91667%}.footer-group-mozilla{left:65.66667%}html[dir=rtl] .footer-group-mozilla{left:auto;right:65.66667%}.contentinfo{width:31.33333%}}.contributions-page .faqs .faq .faq-number,.newsletter-description{font-family:x-locale-heading-primary,zillaslab,Palatino,"Palatino Linotype",x-locale-heading-secondary,serif}@media print{.nav-footer{display:none}}.contentinfo{font-size:14px;font-size:.77778rem}.contentinfo p{display:inline}.socialaccount-providers li{margin:0 20px 0 0;display:inline-block}.socialaccount-providers li span.signin{min-width:140px}a.github-button{border-radius:3px;z-index:2;display:inline-block;font-weight:700}a.github-button:focus span{text-decoration:underline}a.github-button span{text-decoration:none;display:block;float:left;font-size:18px;font-size:1rem;line-height:24px;color:#fff;padding:0 10px 0 20px;position:relative}a.github-button span:after{content:'';position:absolute;top:0;right:-12px;width:24px;height:24px;z-index:1;-webkit-transform:scale(.707) rotate(45deg);-ms-transform:scale(.707) rotate(45deg);transform:scale(.707) rotate(45deg);border-radius:0 3px 0 50px}a.github-button span.github-icon{padding-left:3px;border-radius:3px 0 0 3px;height:24px}a.github-button span.github-icon i{position:relative;top:2px;left:5px;width:15px;height:15px;display:inline-block}a.github-button span.signin:after{z-index:2;background:-webkit-linear-gradient(top left,#56565a,#3a3a3a);background:-moz-linear-gradient(top left,#56565a,#3a3a3a);background:-ms-linear-gradient(top left,#56565a,#3a3a3a);background:linear-gradient(top left,#56565a,#3a3a3a);-ms-filter:'progid:DXImageTransform.Microsoft.gradient(startColorstr="#56565a", endColorstr="#3a3a3a", GradientType=1)'}a.github-button span.signin{text-shadow:0 1.5px 1px rgba(0,0,0,.35);line-height:23px;padding-bottom:1px;background:-webkit-linear-gradient(#56565a,#3a3a3a);background:-moz-linear-gradient(#56565a,#3a3a3a);background:-ms-linear-gradient(#56565a,#3a3a3a);background:linear-gradient(#56565a,#3a3a3a);-ms-filter:'progid:DXImageTransform.Microsoft.gradient(startColorstr="#56565a", endColorstr="#3a3a3a", GradientType=1)'}a.github-button span.github-icon{background:-webkit-linear-gradient(#5d649a,#63397b);background:-moz-linear-gradient(#5d649a,#63397b);background:-ms-linear-gradient(#5d649a,#63397b);background:linear-gradient(#5d649a,#63397b);-ms-filter:'progid:DXImageTransform.Microsoft.gradient(startColorstr="#5d649a", endColorstr="#63397b", GradientType=1)'}a.github-button span.github-icon:after{background:-webkit-linear-gradient(left top,#5d649a,#63397b);background:-moz-linear-gradient(left top,#5d649a,#63397b);background:-ms-linear-gradient(left top,#5d649a,#63397b);background:linear-gradient(left top,#5d649a,#63397b);-ms-filter:'progid:DXImageTransform.Microsoft.gradient(startColorstr="#5d649a", endColorstr="#63397b", GradientType=1)'}a.github-button span.github-icon i[class^=icon-]{top:0;left:8px}#feature-test-element{position:absolute;left:0;top:-999999px;width:0;height:0;overflow:hidden;z-index:1}@media all and (max-width:74.9375em){#feature-test-element{z-index:2}}@media all and (max-width:63.9375em){#feature-test-element{z-index:3}}ol.pagination{margin:20px 0;padding:0 0 30px}ol.pagination li{padding:0 2px;float:left}html[dir=rtl] ol.pagination li{float:right}ol.pagination li.prev,ol.pagination li.prev a{padding-left:0}html[dir=rtl] ol.pagination li.prev,html[dir=rtl] ol.pagination li.prev a{padding-left:inherit;padding-right:0}ol.pagination li a{padding:3px 8px 5px;float:left}html[dir=rtl] ol.pagination li a{float:right}ol.pagination li a:hover{text-decoration:underline}ol.pagination li.selected a{background:#3d7e9a;color:#fff;border-radius:5px}#wikiArticle>p:first-child:empty{display:none}#wikiArticle{padding-bottom:20px;border-bottom:3px solid #3d7e9a}p.field-explanation{margin-bottom:0}#content-main.full{clear:both;float:none;width:100%}.main{float:left;width:670px}@media all and (max-width:47.9375em){#feature-test-element{z-index:4}.header-clear{display:none}}.form-group{margin-bottom:20px}ul.tags li{background:#eee;border:1px solid #cee9f9;border-radius:2px;display:inline-block;padding:3px 10px 4px;margin:0 10px 10px 0}html[dir=rtl] ul.tags li,ul.tags html[dir=rtl] li{margin:0 0 10px 10px}ul.tags{background-color:transparent;border:none;clear:both;margin-bottom:0;width:100%;padding-left:0}html[dir=rtl] ul.tags{padding-left:0;padding-right:0}.user-edit ul.tags,.wiki-block ul.tags{margin-bottom:-10px}ul.tags li label{margin-bottom:0}ul.tags li a{color:#285c76}ul.tags-small li{padding:1px 3px;margin:0 6px 6px 0}html[dir=rtl] ul.tags-small li{margin:0 0 6px 6px}.tag-attach-list .tags-small{clear:none;display:inline}ul.errorlist{color:#900;font-weight:700}ul.errorlist li{margin:5px 0}.notification.error .errorlist{color:#333}.compact dt{display:inline;font-weight:700}.compact dd{display:inline;margin-bottom:0;padding-left:8px}.newsletter-fields,.newsletter-teaser{margin-bottom:20px}html[dir=rtl] .compact dd{padding-left:0;padding-right:8px}.compact dd:after{content:'\A';white-space:pre}.newsletter-teaser{margin-top:0;font-size:42px;font-size:2.33333rem}.newsletter-description{margin-bottom:20px}input.newsletter-input-email{box-sizing:border-box;width:100%;padding:10px}.newsletter-hide{position:absolute;top:10px;z-index:11;border:none;padding:0;right:10px}html[dir=rtl] .newsletter-hide{right:auto;left:10px}.newsletter-errors .errorlist{list-style-type:none;padding-left:0}html[dir=rtl] .newsletter-errors .errorlist{padding-left:0;padding-right:0}.newsletter-lang{margin-top:20px;margin-bottom:0;font-style:italic}.newsletter-thanks h2{margin-top:0;margin-bottom:20px}.newsletter-submit{position:relative;width:100%;padding:10px 2em 10px 10px;text-align:left}html[dir=rtl] .newsletter-submit{padding-right:inherit;padding-left:2em}.newsletter-submit .icon-arrow{position:absolute;top:30%;right:10px;transition:right .2s}.newsletter-submit:focus,.newsletter-submit:hover{text-decoration:none}.newsletter-submit:focus .icon-arrow,.newsletter-submit:hover .icon-arrow{right:5px}@media all and (min-width:29.9385em){.callout-newsletter .form-input,.newsletter-box .form-input{padding:7px 10px 6px}.callout-newsletter .newsletter-fields,.newsletter-box .newsletter-fields{display:flex;flex-wrap:wrap}.callout-newsletter .newsletter-errors,.callout-newsletter .newsletter-group-privacy,.newsletter-box .newsletter-errors,.newsletter-box .newsletter-group-privacy{width:100%}.callout-newsletter .newsletter-group-email,.newsletter-box .newsletter-group-email{width:60%;margin-bottom:0}.callout-newsletter .newsletter-group-privacy,.newsletter-box .newsletter-group-privacy{order:4}.callout-newsletter .newsletter-group-submit,.newsletter-box .newsletter-group-submit{box-sizing:border-box;width:40%;padding-left:20px}html[dir=rtl] .callout-newsletter .newsletter-group-submit,html[dir=rtl] .newsletter-box .newsletter-group-submit{padding-left:0;padding-right:20px}.callout-newsletter .newsletter-submit,.newsletter-box .newsletter-submit{width:100%}}@media all and (min-width:63.9385em){@supports (display:grid){.callout-newsletter,.newsletter-box{display:flex;align-items:flex-end}.callout-newsletter .newsletter,.newsletter-box .newsletter{width:100%}.callout-newsletter .newsletter-form,.newsletter-box .newsletter-form{display:grid;grid-column-gap:20px;grid-template-columns:1fr 1fr}.callout-newsletter .newsletter-form.hidden,.newsletter-box .newsletter-form.hidden{display:none}.callout-newsletter .newsletter-fields,.newsletter-box .newsletter-fields{display:block}.callout-newsletter .newsletter-group-email,.newsletter-box .newsletter-group-email{width:auto;margin-bottom:20px}.callout-newsletter .newsletter-input-email,.newsletter-box .newsletter-input-email{max-width:none}.callout-newsletter .newsletter-group-submit,.newsletter-box .newsletter-group-submit{width:auto;padding-left:0}html[dir=rtl] .callout-newsletter .newsletter-group-submit,html[dir=rtl] .newsletter-box .newsletter-group-submit{padding-left:0;padding-right:0}.callout-newsletter .newsletter-submit,.newsletter-box .newsletter-submit{width:100%}.callout-newsletter .newsletter-description,.newsletter-box .newsletter-description{margin-bottom:0;font-size:18px;font-size:1rem}.newsletter-head{grid-column:1/2}.newsletter-fields{grid-column:2/3;align-self:end}input.newsletter-input-email{margin-top:10px}}}.callout-newsletter .newsletter-fields,.callout-newsletter .newsletter-thanks p,.newsletter-box .newsletter-fields{margin-bottom:0}@media all and (min-width:74.9375em){@supports (display:grid){.callout-newsletter .newsletter-form,.newsletter-box .newsletter-form{grid-template-columns:2fr 1fr}.callout-newsletter .newsletter-input-email,.callout-newsletter .newsletter-submit,.newsletter-box .newsletter-input-email,.newsletter-box .newsletter-submit{height:50px}}}.callout-newsletter .newsletter-teaser,.callout-newsletter .newsletter-thanks h2{font-size:26px;font-size:1.44444rem}.callout-newsletter a{color:#000;text-decoration:underline}.callout-newsletter a:focus,.callout-newsletter a:hover{text-decoration:none}.newsletter-box{position:relative;border-top:3px solid #333;padding:20px 0;margin-top:40px;background-color:#fff}.newsletter-box.hidden{display:none}.newsletter-box .newsletter-teaser:before{content:'';display:block;height:.5em;width:1.5em;float:right}html[dir=rtl] .newsletter-box .newsletter-teaser:before{float:left}.newsletter-box .newsletter-description{font-size:24px;font-size:1.33333rem}@media all and (min-width:47.9385em){.newsletter-box{padding:40px}}@media print{.newsletter-box{display:none}}@keyframes fadeIn{0%,50%{opacity:0}100%{opacity:1}}@keyframes fadeOut{0%{opacity:1}100%,50%{opacity:0}}.contribution-banner{background-image:linear-gradient(to right,#83cff3,#ebf8e1);min-width:320px;overflow:hidden;position:relative}.contribution-banner.contribution-popover{bottom:0;box-shadow:0 0 5px 0 rgba(0,0,0,.25);position:fixed;width:100%;height:180px;transition:height .5s;z-index:99}@media all and (min-width:63.9385em){.newsletter-box .newsletter-teaser{font-size:51px;font-size:2.83333rem}.newsletter-box .newsletter-description{font-size:26px;font-size:1.44444rem}.contribution-banner.contribution-popover{height:110px}}.contribution-banner.contribution-popover .legal-copy{margin-top:1em}.contribution-banner.contribution-popover .form-footer{margin-top:0;text-align:left}.contribution-banner.contribution-popover.expanded{height:550px}.contribution-banner.contribution-popover.expanded-extend{height:630px}.contribution-banner.contribution-popover.expanded .contribution-form,.contribution-banner.contribution-popover.expanded-extend .contribution-form{position:static}.contribution-banner.contribution-popover.expanded .form-footer,.contribution-banner.contribution-popover.expanded-extend .form-footer{margin-top:20px}.contribution-banner.contribution-popover.is-expanding .body,.contribution-banner.contribution-popover.is-expanding .cta-link,.contribution-banner.contribution-popover.is-expanding .form-group,.contribution-banner.contribution-popover.is-expanding .payments-switch,.contribution-banner.contribution-popover.is-expanding h4{animation-duration:.6s;animation-name:fadeIn}@media all and (max-width:63.9375em){.contribution-banner.contribution-popover.expanded,.contribution-banner.contribution-popover.expanded-extend{box-sizing:border-box;height:180px;padding-top:28px}.contribution-banner.contribution-popover.expanded .body,.contribution-banner.contribution-popover.expanded .cta-link,.contribution-banner.contribution-popover.expanded .form-group,.contribution-banner.contribution-popover.expanded .hide-collapse,.contribution-banner.contribution-popover.expanded .payments-switch,.contribution-banner.contribution-popover.expanded h4,.contribution-banner.contribution-popover.expanded-extend .body,.contribution-banner.contribution-popover.expanded-extend .cta-link,.contribution-banner.contribution-popover.expanded-extend .form-group,.contribution-banner.contribution-popover.expanded-extend .hide-collapse,.contribution-banner.contribution-popover.expanded-extend .payments-switch,.contribution-banner.contribution-popover.expanded-extend h4{display:none;opacity:0}.contribution-banner.contribution-popover.expanded .hide-expand,.contribution-banner.contribution-popover.expanded-extend .hide-expand{display:inherit}.contribution-banner.contribution-popover.expanded .payments-form-container,.contribution-banner.contribution-popover.expanded-extend .payments-form-container{margin-top:-10px;padding:10px}.contribution-banner.contribution-popover.expanded .column-container,.contribution-banner.contribution-popover.expanded-extend .column-container{padding:0 56px}.contribution-banner.contribution-popover.expanded .form-footer,.contribution-banner.contribution-popover.expanded-extend .form-footer{margin:0}.contribution-banner .column-half{width:100%}}.contribution-banner .contribution-popover-actions{position:absolute;right:10px;text-align:right;top:10px;z-index:10}.contribution-banner .contribution-popover-actions button{background:0 0;border:none;margin-right:10px;padding:0;vertical-align:middle}.contribution-banner .contribution-popover-actions button:last-child{margin-right:0}.contribution-banner .contribution-popover-actions button>svg{height:30px;width:30px}.contribution-banner .contribution-popover-actions button:last-of-type>svg{height:20px;width:20px}.contribution-banner h2{margin:0}.contribution-banner .column-container{box-sizing:border-box;margin:0 auto;max-height:100%;max-width:1320px;padding:56px;position:relative;transition:padding .3s ease}.contribution-banner .column-container>.column-half{box-sizing:border-box}.contribution-banner .column-container>.column-half .container{margin:0 auto;max-width:540px}@media all and (max-width:47.9375em){.contribution-banner.contribution-popover{display:none}.contribution-banner .column-container{padding:12px}}.contribution-banner .payments-form{padding-top:22px}@media all and (min-width:63.9385em){.contribution-banner .payments-form{padding:0}}.contribution-banner .payments-form-container{background:#fff;border-radius:35px;box-shadow:0 0 40px -2px rgba(103,191,207,.7);margin:0 auto;max-width:540px;padding:13px;transition:padding .3s ease-in-out}@media all and (min-width:29.9385em){.contribution-banner .payments-form-container{padding:26px}}@media all and (min-width:63.9385em){.contribution-banner .payments-form-container{padding:13px}}@media all and (min-width:74.9375em){.contribution-banner .payments-form-container{padding:26px}}.contribution-banner .login-prompt{padding:20px}.contribution-banner .payments-switch{border:2px solid #333;border-radius:50px;box-sizing:border-box;display:flex;height:56px}.contribution-banner .payments-switch>a,.contribution-banner .payments-switch>button,.contribution-banner .payments-switch>label{background:0 0;border:none;border-radius:50px;color:#333;display:inline-block;font-weight:700;height:100%;line-height:3.33;overflow:hidden;padding:0;text-decoration:none;text-align:center;vertical-align:top;width:50%}.contribution-banner .payments-switch input:checked+label,.contribution-banner .payments-switch>a.active,.contribution-banner .payments-switch>button.active,.contribution-banner .payments-switch>label.active{background:#333;color:#fff}.contribution-banner .payments-switch>a:first-of-type,.contribution-banner .payments-switch>button:first-of-type,.contribution-banner .payments-switch>label:first-of-type{margin-left:-5px}.contribution-banner .payments-switch>a:last-of-type,.contribution-banner .payments-switch>button:last-of-type,.contribution-banner .payments-switch>label:last-of-type{margin-left:5px}.contribution-banner .payments-switch input{height:0;margin:0;opacity:0;width:0}.contribution-banner .column{position:relative}.contribution-banner .subtext{margin:1em auto;max-width:600px}.contribution-banner .backdrop-image{bottom:-150px;left:auto;position:absolute;right:0;z-index:-1}.contribution-banner .hide-collapsed{display:inherit}.contribution-banner .hide-expand{display:none}.contribution-banner.is-collapsed{box-sizing:border-box;padding-top:28px}.contribution-banner.is-collapsed .body,.contribution-banner.is-collapsed .cta-link,.contribution-banner.is-collapsed .form-group,.contribution-banner.is-collapsed .hide-collapse,.contribution-banner.is-collapsed .payments-switch,.contribution-banner.is-collapsed h4{display:none;opacity:0}.contribution-banner.is-collapsed .hide-expand{display:inherit}.contribution-banner.is-collapsed .payments-form-container{margin-top:-10px;padding:10px}.contribution-banner.is-collapsed .column-container{padding:0 56px}.contribution-banner.is-collapsing .body,.contribution-banner.is-collapsing .cta-link,.contribution-banner.is-collapsing .form-group,.contribution-banner.is-collapsing .hide-collapse,.contribution-banner.is-collapsing .payments-switch,.contribution-banner.is-collapsing h4{animation-duration:.6s;animation-name:fadeOut}.contribution-banner.is-collapsing .payments-form-container{padding:10px}.contribution-banner.is-collapsing .column-container{padding:0 56px}.contribution-banner .cta-link{color:#333;display:block}.contribution-banner .cta-link:first-of-type{margin-bottom:1em}.contribution-banner.payment-confirmation .column-half{display:inline-block;vertical-align:middle}.contribution-banner.payment-confirmation .backdrop-image{bottom:10%;display:block;left:0;margin:0 auto;position:absolute;right:0;z-index:0}@media all and (max-width:47.9375em){.contribution-banner.payment-confirmation .column-half{display:block;text-align:center}}.payment-form-button,.payment-form-link{background-color:#3143e2;border-radius:56px;border:none;color:#fff;display:inline-block;font-weight:700;font-weight:400;height:56px;line-height:56px;min-width:180px;padding:0;text-align:center;white-space:nowrap}.payment-form-button:hover,.payment-form-link:hover{background-color:#1f32db}.payment-form-button svg,.payment-form-link svg{margin-left:1em;vertical-align:middle}.payment-form-link{display:none}@media all and (max-width:63.9375em){.contribution-banner .contribute-lead-in{text-align:center}.contribution-banner .contribution-form{margin:0 auto;width:100%}}.icon-only-inline i.icon-trash,.icon-only-inline i.icon-warning-sign,.prevnext .icon-arrow-left,.prevnext .icon-arrow-right,.prevnext .icon-arrow-up,.standard-table i.icon-cogs,.tooltip-close:before,i.icon-beaker,i.icon-info-sign,i.icon-thumbs-down-alt,i.icon-trash,i.icon-warning-sign{display:inline-block;content:'';background-repeat:no-repeat}.contribution-form{position:relative}.contribution-form .form-footer{margin-top:20px;text-align:center}.contribution-form .legal-copy{font-size:12px;font-weight:400;letter-spacing:.1px;line-height:1.35;margin-bottom:18px}@media all and (min-width:63.9385em){.payment-form-button,.payment-form-link{min-width:155px}.contribution-form .legal-copy{text-align:left}}.contribution-form .legal-copy a{border-bottom:1px solid #3143e2;color:#3143e2;padding-bottom:1px;text-decoration:none}.contribution-form .recurring-payment-confirmation{display:flex;position:relative}.contribution-form .recurring-payment-confirmation .errorlist{bottom:0;font-size:12px;position:absolute}.contribution-form .recurring-payment-confirmation .legal-copy{margin:0}.contribution-form .recurring-payment-confirmation input[type=checkbox]{margin:0;opacity:0;height:0;width:0}.contribution-form .recurring-payment-confirmation input[type=checkbox]:focus~.control-indicator:before{background-color:#cfcfcf}.contribution-form .recurring-payment-confirmation input[type=checkbox]:checked~.control-indicator:before{background-color:#333}.contribution-form .recurring-payment-confirmation input[type=checkbox].error~.control-indicator{border-color:#900;margin-bottom:50px}.contribution-form .recurring-payment-confirmation .control-indicator{border:3px solid #333;border-radius:4px;box-sizing:border-box;flex-shrink:0;height:28px;margin-right:6px;width:28px}.contribution-form .recurring-payment-confirmation .control-indicator:before{border:2px solid #fff;box-sizing:border-box;content:'';display:inline-block;height:100%;padding:0;width:100%}.contribution-form .form-group{font-weight:700;margin-top:12px;margin-bottom:0}.contribution-form .form-group .errorlist{display:block;text-align:right}.contribution-form .form-group>input:first-of-type{margin-top:0}.contribution-form .form-group input{border-color:#333;border-radius:4px;box-sizing:border-box;display:block;font-weight:700;height:56px;line-height:3;margin-top:18px;padding-left:12px;width:100%}.contribution-form .form-group input.error{border-color:#900;color:#900}.contribution-form .form-group .form-radios-donation-choices{width:49%}.contribution-form .form-group .form-input-amount{padding-left:35px;width:49%}.contribution-form .form-group .label{margin-left:20px;margin-top:33px;position:absolute}.contribution-form .form-group .form-input-amount,.contribution-form .form-group .form-radios-donation-choices{border-radius:56px;display:inline-block;margin:18px 0;vertical-align:middle}@media all and (max-width:87.4375em){.contribution-form .form-group .form-input-amount li,.contribution-form .form-group .form-radios-donation-choices li{margin:0}}@media all and (max-width:47.9375em){.contribution-form .form-group .form-radios-donation-choices{margin-right:-3px;text-align:left;width:60%}.contribution-form .form-group .form-input-amount{margin-left:-2px;width:40%}}@media all and (max-width:29.9375em){.contribution-form .form-group .form-radios-donation-choices{text-align:center;width:100%}.contribution-form .form-group .form-input-amount{width:100%}}.contribution-form.recurring-form .form-input-amount{margin:18px -2px;width:32%}.contribution-form.recurring-form .form-radios-donation-choices{width:66%}.contribution-form.recurring-form .form-radios-donation-choices>li{box-sizing:border-box;margin:0 -2px;padding-right:12px;width:33%}.contribution-form.recurring-form .form-radios-donation-choices>li label{width:100%}.contribution-form .form-radios-donation-choices{text-align:center}@media all and (min-width:74.9375em){.payment-form-button,.payment-form-link{min-width:180px}.contribution-form .form-radios-donation-choices{text-align:left}}.contribution-form .form-radios-donation-choices li{display:inline-block;margin-right:11px;position:relative}@media all and (max-width:63.9375em){.contribution-form .form-radios-donation-choices li{margin-right:12px;width:auto}}.contribution-form .form-radios-donation-choices li input[type=radio]{cursor:pointer;opacity:0;position:absolute}.contribution-form .form-radios-donation-choices li label{background-color:#fff;border-radius:56px;border:2px solid #333;box-sizing:border-box;display:inline-block;height:56px;line-height:56px;min-width:56px;text-align:center}.contribution-form .form-radios-donation-choices li label:hover{background:#f7f7f7}.contribution-form .form-radios-donation-choices li label.active{background:#333;color:#fff}.contribution-form .payment-details{display:block;margin-top:20px}@media all and (min-width:47.9385em){.contribution-form .payment-details{display:inline-block;float:right;margin:14px}}@media all and (min-width:74.9375em){.contribution-form .payment-details{margin:14px 26px}}.contribution-form .cta-min-text{display:none}.contribution-form .cta-max-text{display:inline}.contribution-form .email-input-container{position:relative}.contribution-form .tooltip-button{background:0 0;border:none;color:#222;position:absolute;right:10px;top:10px}.tooltip{background-color:#fff;background-image:none;border-radius:0;border:2px solid #333;display:none;font-size:18px;font-size:1rem;left:0;max-width:300px;padding:24px 14px;position:absolute;top:0;z-index:100}.tooltip.has-arrow-top:after,.tooltip.has-arrow-top:before,.tooltip:after,.tooltip:before{border-style:solid;content:'';left:auto;width:0;position:absolute}.tooltip>p:last-child{margin-bottom:0}.tooltip:after,.tooltip:before{border-width:10px 0 10px 10px;bottom:auto;margin-top:-10px;top:50%}.tooltip:after{border-color:transparent #fff;right:-7px}.tooltip:before{border-color:transparent #333;right:-10px}.tooltip.is-open{display:block;visibility:visible}.tooltip.is-opening{display:block;visibility:hidden}.tooltip.has-arrow-top:after,.tooltip.has-arrow-top:before{border-width:0 10px 10px;margin-top:0;right:14px}.tooltip.has-arrow-top:after{border-color:#fff transparent;top:-7px}.tooltip.has-arrow-top:before{border-color:#333 transparent;top:-10px}.tooltip-close{background-color:transparent;border:none;position:absolute;right:2px;top:4px}.tooltip-close:before{background-image:url("../../general/close.f1f4947c84f4.svg");background-size:16px;width:16px;height:20px}.contribution-banner.contribution-popover .form-input-amount,.contribution-banner.contribution-popover .form-radios-donation-choices{border-radius:56px;display:inline-block;margin:18px 0 0;vertical-align:middle}@media all and (max-width:63.9375em){.contribution-banner.contribution-popover .form-input-amount,.contribution-banner.contribution-popover .form-radios-donation-choices{display:block;width:100%}.contribution-banner.contribution-popover .payment-form-button{display:none}.contribution-banner.contribution-popover .payment-form-link{display:inline-block}}.contributions-page .section{display:flex;position:relative}.contributions-page .section .sub-section{margin-bottom:2em}@media all and (max-width:47.9375em){.contributions-page .section,.contributions-page .section .faqs,.contributions-page .section h2{display:block}.contributions-page .section .faqs .faq,.contributions-page .section .faqs .faq-feedback,.contributions-page .section h2 .faq,.contributions-page .section h2 .faq-feedback{margin:2em 0}}.contributions-page .backdrop-image{height:auto;left:0;position:absolute;top:0;width:auto}.contributions-page .index{flex:30%;z-index:99}.contributions-page .index h2{border-bottom:2px solid #333}.contributions-page .faq-feedback{margin:2em;position:relative}.contributions-page .faq-feedback textarea{border-color:#333;box-sizing:border-box;display:block;margin:0;min-height:200px;padding-bottom:2em;resize:none;width:100%}.contributions-page .faq-feedback button[type=submit]{border:none;bottom:5px;position:absolute;right:5px}.contributions-page .faqs{flex:60%}.contributions-page .faqs .faq{background-color:#fff;border:2px solid #333;border-radius:4px;margin:2em;padding:48px;position:relative}.contributions-page .faqs .faq ul{list-style-type:initial;padding-left:1em}.contributions-page .faqs .faq .faq-number{background:#333;box-sizing:border-box;color:#fff;font-size:36px;font-weight:500;height:45px;left:-22px;line-height:40px;padding:0;position:absolute;text-align:center;top:42px;width:45px}.contributions-page .faqs .faq .small{display:block}.contributions-page .faqs .faq .feedback{border:none}.contributions-page .faqs .faq button{background:#fff;border-color:#333;border-radius:50px;box-shadow:0 2px 4px 0 rgba(0,0,0,.3);display:inline-block;height:60px;margin:1em .5em 0 0;padding:1em;width:60px}.contributions-page .faqs .faq button.active{background:#333;border-color:#333;color:#fff}.contributions-page .faqs .faq .icon-thumbs-down{transform:scaleX(-1)}.contributions-page .faqs h3{font-size:1.8em;font-weight:400;margin-top:0}.button-tab-group{background:#fff;border-radius:50px;box-shadow:0 3px 10px 0 rgba(0,0,0,.5);display:inline-block;padding:1em}.button-tab-group .button,.button-tab-group button{background-color:#fff;border-radius:50px;border:2px solid #333;box-sizing:border-box;height:50px;line-height:50px;margin:0 3px;padding:5px 0 0;width:50px}.button-tab-group .button:hover,.button-tab-group button:hover{background-color:#f7f7f7}
 #main-header {display:none !important} #toc.fixed { position: static !important; overflow-y: visible !important; } #redesignNotice {display:none !important} .contributors {display:none !important} .wiki-left-present:not(.wiki-left-closed) #wiki-left {display:none !important} .wiki-left-present:not(.wiki-left-closed) #toc.fixed {width: 100% !important; max-height:none !important} #wiki-content {width:100% !important} #wiki-content {float:left !important} .notification-tray, .section-edit {display:none !important} .communitybox, #wiki-controls {display:none !important} .syntaxbox-help{display:none !important} .article-meta { display:none !important} #wiki-right {padding-bottom: 25px !important; width:100% !important} .column-strip.quick-links {margin-bottom:0px !important} .redesign-beta-notice {display:none !important} #tabzilla-panel {display:none !important} main>.center {padding-top:10px !important} .share {display:none !important} .breadcrumbs {display:none !important} .global-notice, .page-buttons {display:none !important} .crumbs {display:none !important} .languages {display:none !important} #toc {max-height:none !important} .offline-notice {display:none} #redirected-from {display:none} #masthead {display:none}
#nav-toolbar {display:none} .line-highlight:before, .line-highlight[data-end]:after {display:none !important} #helpful-survey {display:none !important}
#page-buttons{display:none} .contributor-avatars {display:none !important} .document-head { background-color:white !important; padding: 0px 0 20px !important} .newsletter-box {display:none !important} .center {max-width:none !important} #wiki-column-container {overflow:visible !important} .sample-code-frame {padding:0px !important; border: none !important} #sessionMsg.errormsg{display:none}
.page-watch {display:none} .document-head h1 {margin-top:10px !important} #wikiArticle {border-bottom:0px !important} #wiki-content,#wiki-left,#wiki-right{margin-right:0;width:auto!important;float:none;padding-bottom:40px}#wiki-right #toc{padding:10px 20px}#wiki-right #toc .toggler{pointer-events:auto;color:#387894}#wiki-right #toc .toggler i{display:inline-block}#wiki-right #toc .toggle-container{display:none}.no-js #wiki-right #toc .toggle-container{display:block}#wiki-column-container,#wiki-content{width:auto!important} #wiki-column-container, #wiki-content {width:100% !important} .local-anchor {display:none !important} #kserrors {display:none !important} .banner, .blockIndicator, .geckoVersionNote, .inheritsbox, .note, .notice, .overheadIndicator, .standardNoteBlock, .warning, .text-content p, .text-content dl, .text-content ol, .text-content ul {max-width:none !important} .summary {border:0px !important} .crumbs {width:100% !important} body {font-size:16px}

.crumbs {display:block !important} .crumbs {margin-top:10px !important; margin-bottom:0 !important; padding-bottom:0 !important; border:none !important}

.toc {position: static !important} .toc-links li a.toc-current:after {display:none !important}
