/* float clearing for IE6 */
* html .clear{
  height: 1%;
  overflow: visible;
}

/* float clearing for IE7 */
*+html .clear{
  min-height: 1%;
}

/* float clearing for everyone else */
.clear:after{
  clear: both;
  content: ".";
  display: block;
  height: 0;
  visibility: hidden;
}