body {
	margin: 0;
	padding: 0;
	font-size: 12px;
}
.wrap {
	width: 760px;
	margin: 0 auto;
}
.outter_box {
	background: #F1F9FF;
	border: 1px solid #B8DFFF;
	text-align: left;
	margin: 5px auto;
}
.outter_lt, .outter_rt, .outter_lb, .outter_rb, .inner_lt, .inner_rt, .inner_lb, .inner_rb {
	height: 8px;
	width: 8px;
	position: relative;
	font-size: 1px; /* fix ie6*/
}
.outter_lt {
	float: left;
	left: -1px;
	top: -1px;
	background: url(http://pic.ctrip.com/corp/blk_outter-lt.gif) no-repeat left top;
}
.outter_rt {
	float: right;
	right: -1px;
	top: -1px;
	background: url(http://pic.ctrip.com/corp/blk_outter-rt.gif) no-repeat right top;
}
.outter_lb {
	float: left;
	left: -1px;
	bottom: 7px;
	background: url(http://pic.ctrip.com/corp/blk_outter-lb.gif) no-repeat left bottom;
}
.outter_rb {
	float: right;
	right: -1px;
	bottom: 7px;
	background: url(http://pic.ctrip.com/corp/blk_outter-rb.gif) no-repeat right bottom;
}
.inner_box {
	margin: 15px;
	border: 1px solid #D9ECFE;
	background: #fff;
}
.box_content {
	overflow: hidden;
	margin: 10px 15px;
}
.inner_lt {
	float: left;
	left: -1px;
	top: -1px;
	background: url(http://pic.ctrip.com/corp/blk_inner-lt.gif) no-repeat left top;
}
.inner_rt {
	float: right;
	right: -1px;
	top: -1px;
	background: url(http://pic.ctrip.com/corp/blk_inner-rt.gif) no-repeat right top;
}
.inner_lb {
	float: left;
	left: -1px;
	bottom: 7px;
	background: url(http://pic.ctrip.com/corp/blk_inner-lb.gif) no-repeat left bottom;
}
.inner_rb {
	float: right;
	right: -1px;
	bottom: 7px;
	background: url(http://pic.ctrip.com/corp/blk_inner-rb.gif) no-repeat right bottom;
}