positioning.css

.container {
	width: 200px;
	height: 350px;
	background-color: yellow;
	position: relative;
}

.shape {
	width:100px;
	height: 220px;
	background-color: black;
	position: absolute;
	top: 40px;
	left: 40px;
}

.shape-two {
	position: absolute;
	top: 20px;
	left: 20px;
	width: 40px;
	height: 60px;
	background-color: red;
}

.shape-three {
	position: absolute;
	top: 10px;
	left: 10px;
	width: 20px;
	height: 30px;
	background-color: lime;
}