html, body {
	min-height: 90%;
	height: 90%;
}
#all {
	background-image: url(bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	position:absolute;
	top:50%;
	height: 500px;
	margin-top:-250px;
}
#main {
	height: 300px;
	text-align: center;
	margin: auto;
}
#top {
	height: 100px;
}
#bottom {
	height: 90px;
	font-family: Arial;
	font-size: 12px;
	text-align: center;
	color: #666666;
	padding-top: 10px;
}
#bottom a {
	color: #666666;
}
#bottom a {
	font-size: 1.2em;
}