<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
   - http://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
  <head>
    <link rel="author" title="Corey Ford" href="mailto:cford@mozilla.com">
    <style>
      body {
        overflow: scroll;
      }
      #scroll {
        width: 130px;
        height: 80px;
        overflow: scroll;
        border: 10px solid black;
        padding: 10px;
      }
      #inner {
        position: relative;
        width: 100%;
        height: 100%;
      }
      #sticky {
        position: absolute;
        width: 10px;
        height: 10px;
        top: 50%;
        left: 50%;
        background-color: black;
      }
    </style>
  <body>
    <div id="scroll">
      <div id="inner">
        <div id="sticky">
        </div>
      </div>
    </div>
  </body>
</html>