.page_topup a {
	text-decoration: none;
	font-size: 2px;
	display: block;
	width: 100px;
	height: 17px;
	text-indent: -7000em;
	background: transparent url(http://www.sns-park.com/mobile_douga/img/page_topup.gif) no-repeat left top;
	margin:0px 0px 0px 0px;
}

.page_topup a:hover {
	background: transparent url(http://www.sns-park.com/mobile_douga/img/page_topup.gif) no-repeat left bottom;
}