@charset "UTF-8";
/**
 * 
 * @authors Your Name (you@example.org)
 * @date    2016-03-19 10:23:38
 * @version $Id$
 */
body{
	margin: 0;
	padding: 0;
}

.box {
	width: 400px;
	height: 200px;
	background: #ccc;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	overflow: hidden;
}

.circle01, .circle02{
	width: 100px;
	height: 100px;
	background: #fc0;
	position: absolute;
	border-radius: 50px;
}

.circle01 {
	top: -50px;
	left: -50px;
}

.circle02 {
	right: -50px;
	bottom: -50px;
}