body {
	background: #1b1b1b;
	color: #fff;
}

main {
	max-width: 800px;
	margin: auto;
}

main h1 {
	color: #4169e1;
}

div {
    width: 220px;
    height: 170px;
    margin: 10px 50px 10px 10px;
    background: yellow;
    border: 2px groove;
    float: right;
}