html {
  font-family: sans-serif;
}

h1,
h2 {
  text-align: center;
}

article {
  width: 400px;
  min-height: 480px;
  margin: 0 auto;
  padding: 10px;
  background-image: repeating-linear-gradient(
      to bottom,
      transparent 1px,
      transparent 20px,
      rgb(0, 0, 150) 21px
    ),
    linear-gradient(to bottom right, white, #ccc);
  border-radius: 20px;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.7);
  line-height: 1.5;
}

ul {
  list-style-type: none;
  padding-left: 0;
  width: 480px;
  margin: 0 auto;
  padding-bottom: 30px;
}

li {
  float: left;
  width: 33%;
}

ul li a {
  display: block;
  text-align: center;
  color: blue;
  text-decoration: underline;
  cursor: pointer;
}

ul li a:hover,
ul li a:focus {
  text-decoration: none;
}

.page-header, .document-toc-container, .loading-bar, #nav-access, .sidebar, .newsletter-container, .metadata {display:none !important} .content-layout {grid-template-columns: 100% !important; grid-template-rows: 1fr !important; grid-template-areas: 'main' !important;} .blockIndicator, .geckoVersionNote, .inheritsbox, .note, .notice, .overheadIndicator, .standardNoteBlock, .warning, .text-content p, .text-content dl, .text-content ol, .text-content ul {max-width:none !important; } #wikiArticle {border-bottom: none !important} .content-layout {max-width:none !important} .live .example-choice {align-items: initial} .article {padding: 30px 12px 30px 12px !important} .nav-footer {margin:0 -12px !important} .nav-footer {padding:60px 20px !important} .archived {position:static !important} #react-container > #nav-footer {display:none !important} .document-page .page-content-container {display:block !important} .locale-container {display:none !important} .bc-table .bc-history-link, .bc-table .ic-footnote {display:none !important} .ic-prefix {height:36px !important} .breadcrumb-locale-container {display:block} .article dl, .article ol, .article p, .article ul {max-width:none !important} .breadcrumbs li, .breadcrumbs li a {display:inline !important} .page-wrapper {display:block !important} .main-page-content dl, .main-page-content ol, .main-page-content p, .main-page-content ul {max-width:none !important} .language-toggle {display:none !important} .breadcrumb-locale-container {margin-top: 0 !important} .main-page-content iframe {width:100%} .toc, #sidebar-quicklinks, .top-navigation, .article-actions {display:none !important} .article-wrapper {display:block !important} .table-scroll {width:100% !important; margin:0 0 !important;} .article-actions-container {min-height:24px !important; max-height:24px !important;} .breadcrumbs-container li {font-size:13px !important; line-height:1.3; -webkit-text-size-adjust:none !important;} .article-actions-container .container {padding-left: 10px !important; padding-right:10px !important}  .breadcrumbs-container li {display:inline-flex !important} .sidebar-button {display:none !important} .article-actions-container {max-height:none !important} .article-actions-container .container {margin-left:0 !important} .main-wrapper {display:block !important} .main-content {padding-top:1.5em !important} .main-page-content h1 a[href^='#']:hover:after, .main-page-content h2 a[href^='#']:hover:after, .main-page-content h3 a[href^='#']:hover:after, .main-page-content h4 a[href^='#']:hover:after, .main-page-content h5 a[href^='#']:hover:after, .main-page-content h6 a[href^='#']:hover:after {content:none !important} .main-page-content h1 a:focus, .main-page-content h1 a:hover, .main-page-content h2 a:focus, .main-page-content h2 a:hover, .main-page-content h3 a:focus, .main-page-content h3 a:hover, .main-page-content h4 a:focus, .main-page-content h4 a:hover, .main-page-content h5 a:focus, .main-page-content h5 a:hover, .main-page-content h6 a:focus, .main-page-content h6 a:hover {text-decoration: none} html {scroll-padding-top:24px !important; scroll-behavior: auto !important} .table-container {width:100% !important; margin: 0 0 !important} .main-page-content figure iframe {width: auto !important} .sidebar-container {display:none !important} .main-page-content h1 a[href^='#']:before, .main-page-content h2 a[href^='#']:before, .main-page-content h3 a[href^='#']:before, .main-page-content h4 a[href^='#']:before, .main-page-content h5 a[href^='#']:before, .main-page-content h6 a[href^='#']:before {display:none !important} body {--top-banner-height: 0 !important;} .article-actions-container {height:24px !important} .top-banner {display:none !important} .main-page-content iframe {width:calc(100% - 2rem - 2px) !important} aside.article-footer {display:none !important}