body {
	margin: 0;
	padding: 0;
}

#obrazek_css {
	border: solid black;
	position: absolute;
	left: 20px;
	top: 20px;
	z-index: 1;
}

#obrazek2_css {
	border: dashed red;
	position: absolute;
	left: 50px;
	top: 50px;