.box_blue {
}

.box_blue .content,
.box_blue .t,
.box_blue .b,
.box_blue .b div {
	background:transparent url(../images/rectbg_blue.png) no-repeat top right;
}

.box_blue .content {
	position:relative;
	padding:0;
}

.box_blue .t {
	position:absolute;
	left:0px;
	top:0px;
	width:12px;
	margin-left:-12px;
	height:100%;
	background-position:top left;
}

.box_blue .b {
	position:relative;
	width:100%;
	background-position:bottom right;
}

.box_blue .b, .box_blue .b div {
	height:15px; /* height of bottom cap/shade */
	font-size:1px;
}


.box_blue .b div {
	position:relative;
	width:12px; /* bottom corner width */
	margin-left:-12px;
	background-position:bottom left;
}