body {
	margin: 0;
	padding: 0;
	text-align: center;
	position: relative;
	top: 5em;
	background-color: #ffff00;
	font-family:Verdana, Arial, Helvetica, sans-serif;
}
#head {
	border: 5px dashed #ff0000;
	border-bottom: 0;
}
#main {
	text-align: center;
	width: 640px;
	height: 435px;
	border: 5px dashed #ff0000;
	border-top: 0;
}
.box {
	position: absolute;
	top: 16%;
	left: 26%;
	border: 1px dashed #ff0000;
	display: none;
}
a {
	color: #000033;
	text-decoration: none;
}
a:hover {
	color: #ff0000;
}