body
{
	background-color: #a5a5a5;
}

h1
{
	text-align: center;
}
		
#ocean
{
	margin: auto;
	margin-bottom: 10px;
	width: 640px;
	height: 400px;
	border: 2px solid #000;
	background-image: url('background.jpg');
	background-position: center;
	transition-property: background-position;
	-moz-transition-property: background-position;
	-webkit-transition-property: background-position;
	-o-transition-property: background-position;
	transition-duration: 10s;
	-webkit-transition-duration: 10s;
	-moz-transition-duration: 10s;
	-o-transition-duration: 10s;
}