#kontener {
	background-color: red;
	height: 0px;
	position: absolute;
	overflow: visible;
	display: block;
	width: 100%;
	left: 0px;
	top: 50%;
}
#box {
	background-image: url(images/gabinet/maintlo.jpeg);
	overflow: visible;
	position: absolute;
	left: 50%;
	margin-left: -392px;
	width: 784px;
        height: 580px;
	top: -290px;
}