body {
    background-color: black;
    color:red;
}

div.container {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
   position: absolute;
   display: table
}

p {
	display: table-cell;
	vertical-align: middle;
	text-align: centeR
}

img.door {
	display: block;
	margin: 1em auto
}