a#button1 {
    display: block;
    width: 300px;
    height: 220px;
    text-align:center;

    background: url(../images/download_default.png);
 
}
a#button1:hover {
    background: url(../images/download_highlight.gif);
}

a .alt
{ 

	margin: 0;
	font-size: 2em;
	font-weight: normal;
	color: #880088;
	text-align:center;
}

a .alt:hover
{ 
	color: #aa00aa;
}