.boxc { 
	padding:0px; position:relative; 
} 
.boxc b.cn { 
	background:transparent url(corners.gif) no-repeat scroll 0%; 
	height:2px; 
	position:absolute; 
	width:2px; 
} 
.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(corners.gif); 
	font-size:1px; 
	line-height:1px; 
}