body {
	margin: 250px 240px;
	background-color: rgb(230, 220, 210);
}
#a {
	margin: 200px 190px;
	padding: 180px 170px;
	width: 160px;
	height: 150px;
	font-size: 140px;
	background-color: rgb(130, 120, 110);
}
#b {
	margin: 100px 90px;
	padding: 80px 70px;
	width: 60px;
	height: 50px;
	font-size: 40px;
	background-color: rgb(30, 20, 10);
}