#estudenaaba_barra{position:relative;background:url(../img/estudenaaba/barra_bg.gif);height:30px;padding:5px;border-bottom:3px #ccc solid;}#estudenaaba_barra .estudenaaba_link{float:left;display:block;width:77px;height:30px;overflow:hidden;text-indent:-2000px;margin-left:10px;}#estudenaaba{background:url(../img/estudenaaba/estudenaaba.gif);}#maple{background:url(../img/estudenaaba/maple.gif);}#bestcard{background:url(../img/estudenaaba/bestcard.gif);}#aba4u{background:url(../img/estudenaaba/aba4u.gif);}#efolio{background:url(../img/estudenaaba/efolio.gif);}#mundy{background:url(../img/estudenaaba/mundy.gif);}#business{background:url(../img/estudenaaba/business.gif);}