#screen {
	background-image: url(sample_back.jpg);
	background-repeat: no-repeat;
	padding-bottom: 200px;
	padding-top: 130px;
	background-position: center top;
	margin-right: auto;
	margin-left: auto;
}
#screen td {
	padding-top: 20px;
	padding-left: 20px;
}
#screen table {
	width: 550px;
	margin-right: auto;
	margin-left: auto;
}


.alert {
	color: #F00;
}