.boxc { padding:0px; position:relative; }
.boxc b.cn { background:transparent url(../images/roundwhite.png) no-repeat scroll 0%; height:8px; position:absolute; width:8px; }
.boxc b.tl { background-position:left top; left:-1px; top:-1px; }
.boxc b.tr { background-position:right top; right:-1px; top:-1px; }
.boxc b.bl { background-position:left bottom; bottom:-1px; left:-1px; }
.boxc b.br { background-position:right bottom; bottom:-1px; right:-1px; }
* html .boxc b.bl { bottom:-2px; }
* html .boxc b.br { bottom:-2px; }
* html .boxc b.cn { background-image:url(../images/roundwhite.gif); font-size:1px; line-height:1px; }