body {
	font-family: helvetica, verdana, sans-serif;
}

#main_container{
	margin-left:auto;
	margin-right:auto;
	width: 900px;
	text-align: center;
}

#target_container {
	text-align: center;
	width: 880px;
}

#target_roundBox {
	margin-left:auto;
	margin-right:auto;
	width: 300px;
}

.candidate {
	width: 150px;
	border: 1px solid #ccc;
	padding: 2px 0 0 0;
}