#install-btn {
    background: #0088cc; /* Old browsers */
    background: -moz-linear-gradient(top,  #0088cc 0%, #0055cc 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#0088cc), color-stop(100%,#0055cc)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #0088cc 0%,#0055cc 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #0088cc 0%,#0055cc 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #0088cc 0%,#0055cc 100%); /* IE10+ */
    background: linear-gradient(to bottom,  #0088cc 0%,#0055cc 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0088cc', endColorstr='#0055cc',GradientType=0 ); /* IE6-9 */

    text-align: center;
    font-size: 200%;
    margin: 1em auto;
    display: block;
    padding: .5em;
    color: white;
    width: 10em;
    max-width: 80%;
    line-height: 1.2em;
}
 #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}