body {
	background-color: #434343;
	width: 100%;
    height: 100%;
    position: absolute;
    margin: 0;
}

.container {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
}

.centerImage
{
	position: absolute;
    max-width: 100%;
    max-height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}