Something

#three {
	position: absolute;
	width: 10px;
	height: 10px;
	top: 100px;
	left: 100px;
	background: blue;
	}

<html>
<head>
<link href="styles.css" rel="stylesheet" type="text/css" />
</head>
<body>

<div id="three">
</div>

</body>
</html>