body {
	margin: 50px 10px 0px 10px;
	background-color: #FFF;
}

#parent {
	width: 100%;
	float: left;
}

.child {
	width: 45%;
	text-align: left;
	padding: 10px;
	float: left;
}

#back {
	position: absolute;
	left: 10px;
	top: 10px;
}