html,
body {
	margin:0;
	padding:0;
	height:100%;
}
#wrapper {
	min-height:100%;
	position:relative;
}
#header {
	padding:10px;
	background:#5ee;
}
#content {
	padding:10px;
	padding-bottom:120px;   /* Height of the footer element */
}
#footer {
	width:100%;
	height:120px;
	position:absolute;
	bottom:0;
	left:0;
}