@charset "UTF-8";
.biankuang {
	width: 3px;
	height: 3px;
	position: absolute;
	z-index: 99;
	border-radius: 10px;
	
}

.biankuang_1 {
	height: 3px;
	top: -2px;
	left: -2px;
	border-left: 3px solid #01345F;
}

.biankuang_2 {
	width: 0px;
	bottom: -2px;
	left: -2px;
	border-top: 3px solid #01345F;
}

.biankuang_3 {
	height: 0px;
	bottom: 0px;
	right: -1px;
	border-right: 3px solid #01345F;
}

.biankuang_4 {
	width: 0px;
	top: -3px;
	right: 0px;
	border-bottom: 3px solid #01345F;
}