Multiple borders (IE included)

div {
      -ms-filter: "progid:DXImageTransform.Microsoft.Shadow(color=#212121,direction=180,strength=0)"; /* IE 8 */
      filter: progid:DXImageTransform.Microsoft.Shadow(color=#212121,direction=180,strength=0); /* IE 7- */
  }
  div:before {
      position: absolute;
      top: 0px;
      width: 100%;
      height: 100%;
	    border-top: 1px solid #212121; /* top border! */
	    content: '';
	}
	div:after {
	    position: absolute;
	    width: 100%;
	    height: 100%;
	    top: 1px;
	    border-bottom: 1px solid #212121; /* bottom border! */
	    content: '';
	}