* {	margin: 0;	padding: 0;}

html, body {	height: 100%;}

body {font: 83% 'Arial', 'Geneva CE', lucida, sans-serif; background: #cccccc; margin: 0px;	padding: 0;	height: 100%; text-align: center;}

#drzak {position: relative;  margin: 0px auto; text-align:left; width: 900px; background: #fff;	min-height: 100%;	height: 100%;		}

body>#drzak {height: auto;}