#concept a {
	width: 63px;
	height: 63px;
	display: block;
	text-indent: -9999px;
}

a.wise {background: url(../../include/images/concept/thumb00.png) 0 0;}
a.wise:hover {background: url(../../include/images/concept/thumb00.png) 0 -63px;}

a.arvo {background: url(../../include/images/concept/thumb01.png) 0 0;}
a.arvo:hover {background: url(../../include/images/concept/thumb01.png) 0 -63px;}

a.cristal {background: url(../../include/images/concept/thumb02.png) 0 0;}
a.cristal:hover {background: url(../../include/images/concept/thumb02.png) 0 -63px;}

a.photol {background: url(../../include/images/concept/thumb03.png) 0 0;}
a.photol:hover {background: url(../../include/images/concept/thumb03.png) 0 -63px;}

a.photol0 {background: url(../../include/images/concept/thumb04.png) 0 0;}
a.photol0:hover {background: url(../../include/images/concept/thumb04.png) 0 -63px;}

a.job {background: url(../../include/images/concept/thumb05.png) 0 0;}
a.job:hover {background: url(../../include/images/concept/thumb05.png) 0 -63px;}