<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Cascade: the "unset" value</title>
  <link rel="author" title="Chris Rebert" href="http://chrisrebert.com">
  <link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit-initial">
  <link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit-initial">
  <link rel="match" href="reference/ref-filled-green-100px-square.xht">
  <meta name="assert" content="display:unset should be the same as display:initial since 'display' is not an inherited property. display:unset should be the same as display:inline since 'inline' is the initial value of 'display'.">
  <style>
.square {
  width: 100px;
  height: 100px;
}
.green {
  background-color: green;
}
.top {
  position: absolute;
}
.fail {
  background-color: red;
  display: inline-block;
  display: unset;/* initial, inline */
}
  </style>
</head>
<body>
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

  <div class="top"><span class="square fail"></span></div>
  <div class="green square"></div>
</body>
</html>
