css/css-flexbox/flexbox-single-line-clamp-3.html

<!doctype html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
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<meta charset="utf-8">
<title>CSS Test: Single-line flex containers should clamp their line's height to the container's computed min and max cross-size.</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="match" href="flexbox-single-line-clamp-3-ref.html">
<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#algo-cross-line">
<style>
.container {
  display: flex;
  background: gray;
  min-height: 80px;

  /* Don't let (default) align-content:stretch save us
     by stretching the line to fit the container! The point
     here is that the line should already be clamped to the
     container's min-height. */
  align-content: flex-start;
}
.panel {
  background: lightblue;
  width: 150px;
}
.contents {
  height: 10px;
  width: 10px;
  background: purple;
}
</style>
</head>
<div class="container">
  <div class="panel">
    <div class="contents"></div>
  </div>
</div>