* {
	padding: 0;
	margin: 0;
}

html {
	height: 100%;
}

body {
	margin: 0;
	padding: 0;
	height: 100%;
	background-color: #23282B;
}

#contenido {
	position: absolute;	
	width: 920px;
	height: 600px;
	top: 48%;
	left: 51%;
	text-align: center;
	vertical-align: middle;
	margin-top: -300px;
	margin-left: -460px;
	z-index: 1;
}

.imagen {
	border: 0;
}