body
    {
    margin: 0;
    padding: 0 0 8em 0;
    color: #000;
    background: #fff;
    font-size: 1em;
    }
  div#fixedbox
    {
    overflow: auto;
    width: 100%;
    height: 8em;
    position: absolute;
    bottom: 0;
    left: 0;
    color: #000;
    background: #ddd;
    }
  div#content
    {
    padding: 1em;
    }

@media screen
  {
  body>div#fixedbox
    {
    position: fixed;
    }
  }