css/css-display/display-flow-root-001.html

<!DOCTYPE HTML>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html><head>
  <meta charset="utf-8">
  <title>CSS Display Test: display:flow-root</title>
  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1322191">
  <link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-flow-root">
  <link rel="match" href="display-flow-root-001-ref.html">
  <style type="text/css">
html,body {
  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
}

.float {
  float: left;
  width: 20px;
  height: 40px;
  background: pink;
}

  </style>
</head>
<body>

<div style="border:1px solid">
  <!-- this tests that the flow-root margins don't collapse with its children. -->
  <span style="display:flow-root; margin: 20px 0">
    <div style="margin: 20px 0">x</div>
  </span>
</div>

<div style="border:1px solid">
  <!-- this tests that the flow-root grows to fit child floats -->
  <span style="display:flow-root"><div class="float"></div></span>
</div>

<div style="border:1px solid; margin-bottom:20px">
  <!-- this tests that a float does not intrude into flow-root box -->
  <div class="float"></div>
  <span style="display:flow-root; border:1px solid">x</span>
</div>

<span>
  <!-- this tests that a flow-root box is constructed also in the "ibsplit" case -->
  <span style="display:flow-root; background:grey;"><div style="margin:20px">x</div></span>
</span>

<span style="display:flow-root; border:3px solid; height:10px;">
  <!-- this tests that a flow-root fills the available width, and that 'height' applies -->
</span>

</body>
</html>