
	div {
		border: 1px solid; 
		width: 400px;
		background-color: red;
	}

	#head1{
		color: green; 
		font-size: 30px;
	}

	#head2{
		color: blue; 
		font-size: 30px;
	}

	h1{
		color: yellow; 
		font-size: 50px;
	}

	#b0{
		position: relative;
		width: 500px;
		height: 300px;
		background-color: #eee;
	}

	#b2, #b3 {
		width: 100px;
		height: 100px;
		background-color: blue;
	}

	#b1{
		/*margin: 10px;*/
		/*margin-top:10px;
		margin-left: 20px;*/
		/*margin: 15px 25px;*/

		position: absolute;
		padding: 10px;
		width: 100px;
		height: 100px;
		background-color: yellow;
	}

	.c1{
		width: 100px;
		height: 100px;
		background-color: yellow;
	}

	#d5 {
		position: relative;
		top: 10px;
		left: 10px;

		width: 100px;
		height: 100px;
		background-color: yellow;
	}
