S21/visuren.html#position-props">
  <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-position">
  <meta name="flags" content="dom">
  <meta name="assert" content="The position of a positioned element which inherits its 'top' value from its parent changes when the parent's 'top' value is changed even if the parent is display:table-row.">
  <style type="text/css">
    .testDiv { width: 100px; height: 100px; }
    #green { top: 4em; background: green; position: absolute; }
    #red { top: