layout/reftests/position-sticky/initial-1.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 - initial reflow</title>
    <link rel="author" title="Corey Ford" href="mailto:cford@mozilla.com">
    <link rel="match" href="initial-1-ref.html">
    <meta name="assert" content="Sticky positioning should be calculated correctly on initial page reflow">
    <style>
      body {
        height: 100px;
        margin: 0;
        /* Without this, we do multiple passes of reflow, and
         * the sticky element ends up positioned correctly.
         */
        overflow-y: scroll;
      }
      #sticky {
        position: sticky;
        top: 10px;
        height: 10px;
        margin-bottom: 10px;
        background-color: black;
      }
    </style>
  <body>
    <div id="sticky"></div>
  </body>
</html>