body {
	background: #111;
}

h1 {
	text-align: center;
	color: #fff;
}

#mainDiv {
	width: 96%;
	margin-left: 2%;
	background: #222;
}

img {
	width: 100%;
	margin-left: 0;
	margin-right: 0;
	margin-bottom: 30px;
}