ightgreen;
      }
      div.b {
        width: auto; /* width comes from contents */
        height: 10px;
        flex: none;
        background: pink;
      }
      div.c {
        width: 40px;
        height: 10px;
        flex: none;
        background: orange;
      }

      /* Inside of 'b': */
      div.fixedSizeChild {
        width: 30px;
        height: 5px;
        background: purple;
      }
    </style>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharne