layout/reftests/position-sticky/top-bottom-2.html


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<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
   - http://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
  <head>
    <title>CSS Test: Sticky Positioning - top+bottom, at middle</title>
    <link rel="author" title="Corey Ford" href="mailto:cford@mozilla.com">
    <link rel="match" href="top-bottom-2-ref.html">
    <meta name="flags" content="dom">
    <meta name="assert" content="Top+bottom sticky, scrolled to the middle: should stay in its normal position">
    <style>
      #scroll {
        height: 100px;
        overflow: hidden;
      }
      #sticky {
        position: sticky;
        top: 10px;
        bottom: 10px;
        height: 10px;
        background-color: black;
      }
    </style>
  </head>
  <body>
    <div id="scroll">
      <div style="height: 100px"></div>
      <div id="sticky"></div>
      <div style="height: 100px"></div>
    </div>
    <script type="application/javascript">
      document.getElementById("scroll").scrollTop = 50;
    </script>
  </body>
</html>