body {
	margin: 5px;
}
input {
	position: absolute;
}
#display {
	position: relative;
}
#display div {
	position: absolute;
	width: 20px;
	height: 20px;
	background: url('false.gif') no-repeat top left;
}
#display div.checked {
	background: url('true.gif') no-repeat top left;
}