gistfile1.css

<a href="http://www.getfirefox.com" target="_blank" id="getfirefox">Please use Mozilla Firefox</a>

<style type="text/css">
  #getfirefox {
    width:172px;
    height:176px;
    position: absolute;
    float: right;
    right: 0;
    cursor:pointer;
    filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://www.liron.de/images/ietag.png', sizingMethod='crop');
    text-indent: -9999px;
    display: none;
    *display: block;
  }
</style>