css/css-multicol/multicol-span-all-margin-001.xht

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<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Multi-column Layout Test: 'column-span: all' element and width exceeding available multi-column width (complex)</title>
  <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
  <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-18 -->
  <link rel="help" href="http://www.w3.org/TR/css3-multicol/#column-span" title="6.1. 'column-span'" />
  <link rel="match" href="multicol-span-all-margin-001-ref.xht" />
  <meta name="flags" content="ahem may" />
  <meta name="assert" content="This test checks that when 'overflow' is set to 'hidden' on a multi-column element, then any spanning ('column-span: all') element exceeding the available width of the multi-column should be clipped accordingly." />
  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
  <style type="text/css"><![CDATA[
  div
  {
  background-color: yellow;
  border: gray solid 1em;
  color: navy;
  font: 1.25em/1 Ahem;
  orphans: 1;
  overflow: hidden;
  widows: 1;
  width: 8em;

  column-count: 4;
  column-gap: 0em;

  /*

  N == 4;

  W == 2;

  */
  }

  h4
  {
  background: black;
  color: black;
  font: inherit;
  margin: 1em 0;
  width: 11em;

  column-span: all;

  /*
  This is the target of the test: the spanning element's
  width (11em) exceeds the available width of the
  multi-column element. The 3em exceeding such
  width is first clipped at column box boundary.
  */
  }

  span {color: blue;}

  span + span {color: pink;}
  ]]></style>
 </head>

 <body>

  <div>
    <span> bl ue bl ue </span>
    <span> Pi nk Pi nk </span>
    <h4> black </h4>
    <h4> black </h4>
    na vy na vy
    na vy na vy
  </div>

 </body>
</html>