.iritan2 .jyuken_type a {
	display: block;
	float: left;
	width: 99px;
	height: 24px;
	color:#ED8606;
	text-decoration:none;
	background-image: url(../images/button_taiken.jpg);
	text-indent: -9999px;
}
.iritan2 .jyuken_type a.challenge {
	background-image: url(../images/button_challenge.jpg);
	
}
.iritan2 .jyuken_type {
	float: right;
	width: 215px;
	margin-right: 0px;
	margin-top: 15px;
}