 {
    height: 50px;
    background: lightblue;
  }
  .floatLBasic {
    float: left;
  }
  .floatLWidth {
    float: left;
    width: 50px;
  }
  br { clear: both }
  .iFlexBasic {
    display: inline-flex;
  }
  .iFlexWidth {
    display: inline-flex;
    width: 50px;
  }
  .orthog {
    writing-mode: vertical-lr;
  }
  </style>
</head>
<body>
  <!--CSS Test: A size-contained button with no specified size should render at 0 height regardless of content.-->
  <button><div class="innerContents">inner</div><