.bg_img {
	position: relative;
	min-width: 100%;
	min-height: 100%;	
}

.back_div {
	position: absolute;
	top: 0px;
	left: 0px;
	overflow: hidden;
	width: 100%;
	height: 100%;
	z-index: 1;
}


#bottomleiste {
	position: absolute;
	left: 0px; 
	top: 100%;
}

body {
	overflow: hidden;
}

* html {
    overflow: hidden;
}

*:first-child+html {
	overflow: hidden;
}