html{ 
height: 100%; 
margin: 0; 
padding: 0; 
} 
body {
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #FFFFFF;
} 
#aac { 
background: transparent; 
width: 100%; 
height: 50%; 
margin-top: -80px; 
float: left; 
} 
#welcome {
	width: 400px;
	height: 300px;
	clear: both;
	position: relative;
	top: -80px;
	margin-right: auto;
	margin-left: auto;
} 

/* Hide from IE5mac *//*/ 
#aac { 
display: none; 
} 
html, body { 
height: auto; 
} 
/* end hack */ 
img {
	border: none;
}