.demo{position: absolute; top: 210px; left: 133px; padding: 0; margin: 0 0 0 0px; width: 735px; list-style: none; height: 60px; text-align: center;}
  
  .demo li{
		float: left;
	}      
	.demo a{
		display: block;
		width: 147px;
		height: 60px;
		float: left;
		background: url('../images/nav-sprite.png') no-repeat;
		color: white;
		line-height: 60px;
		text-decoration: none;
	}
        
	#demo_home {background-position:0 0; width: 147px; height: 60px;}
	#demo_home.hover {background-position: -147px 0;}
	#demo_home:hover,#demo_home.active {background-position: -147px 0; text-decoration: underline; color: black;}
        
	#demo_product {background-position: 0 -60px; width: 147px; height: 60px;}
	#demo_product.hover {background-position: -147px -60px;}
	#demo_product:hover,#demo_product.active {background-position: -147px -60px;; text-decoration: underline; color: black;}
        
	#demo_certificate {background-position: 0 -60px; width: 147px; height: 60px;}
	#demo_certificate.hover {background-position: -147px -60px;}
	#demo_certificate:hover,#demo_certificate.active {background-position: -147px -60px; text-decoration: underline; color: black;}
	
	#demo_dealer {background-position: 0 -60px; width: 147px; height: 60px;}
	#demo_dealer.hover {background-position: -147px -60px;}
	#demo_dealer:hover,#demo_dealer.active {background-position: -147px -60px; text-decoration: underline; color: black;}
	
	#demo_contact {background-position: 0 -120px; width: 147px; height: 60px;}
	#demo_contact.hover {background-position: -147px -120px;}
	#demo_contact:hover,#demo_contact.active {background-position: -147px -120px; text-decoration: underline; color: black;}