#container::before {
	position: absolute;
	display: block;
	content: '';
	width: 480px;
	height: 480px;
	left: 0;
	top: 0;
	background: url(../img/bg_left.png) left bottom no-repeat;
	z-index: -1;
}

#container::after {
	position: absolute;
	display: block;
	content: '';
	width: 50%;
	height: 480px;
	right: 0;
	top: 0;
	background: url(../img/bg_right.png) left top no-repeat;
	z-index: -1;
}