.cell {
 
  position:relative;
  display:inline; 
  padding: 10px 20px 10px 20px; 
  background:#ffffff;
  float:left;

  width:950px;
  color:#000000;

}

.cell ul
{margin:0px; padding:0px;}

.cell li
{list-style:none;}

.corner
{width:11px; height:11px; position:absolute; margin:0px; z-index:1px}

.tl
{top:0px; left:0px; background:url(/plane/images/corner.png) top left no-repeat;}

.tr
{top:0px; right:0px; background:url(/plane/images/corner.png) top right no-repeat;}

.bl
{bottom:0px; left:0px; background:url(/plane/images/corner.png) bottom left no-repeat; vertical-align:bottom;}

.br
{bottom:0px; right:0px; background:url(/plane/images/corner.png) bottom right no-repeat;}