#stage {
	width: 800px;
	height: 600px;
	margin: auto;
	position: relative;
}

.clickables {
	width: 200px;
	height: 200px;
	position: absolute;
	cursor: pointer;
}
#red {
	top: 100px;
	left: 100px;
	background-color: red;
}
#green {
	top: 300px;
	left: 300px;
	background-color: green;
}
#blue {
	top: 100px;
	left: 500px;
	background-color: blue;
}