@charset "utf-8";
/* CSS Document */

div{
	border: 3px solid black;
	width: 100px;
	height: 100px;
	border-radius: 50px;
	opacity: 0.5;
	margin: 100px;
	position: relative;
}

.uno{
	background: cyan;
}

.dos{
	background: magenta;
	margin-top: -205px;
	margin-left: 180px;
}

.tres{
	background: yellow;
	margin-top: -160px;
	margin-left: 140px;
}