img
{  border-style: none; }

div {
      margin: 0 auto;
}

body { background-color: #cccccc; }

#horizon        
	{
	text-align: center;
	position: absolute;
	top: 50%;
	left: 0px;
	width: 100%;
	height: 1px;
	overflow: visible;
	display: block
	}

#content    
	{
	width: 1000px;
	height: 600px;
	margin-left: -500px;
	position: absolute;
	top: -300px;
	left: 50%;
	visibility: visible
	}