.rovo1 a{float:left;width:140px;height:140px;background:url(img/dossards/rovo/1.png)}
.rovo1 a:hover{background:url(img/dossards/rovo/1_thumbs.png)}
.rovo2 a{float:left;width:140px;height:140px;background:url(img/dossards/rovo/2.png)}
.rovo2 a:hover{background:url(img/dossards/rovo/2_thumbs.png)}
.rovo3 a{float:left;width:140px;height:140px;background:url(img/dossards/rovo/3.png)}
.rovo3 a:hover{background:url(img/dossards/rovo/3_thumbs.png)}
.rovo4 a{float:left;width:140px;height:140px;background:url(img/dossards/rovo/4.png)}
.rovo4 a:hover{background:url(img/dossards/rovo/4_thumbs.png)}

#inter_rovo{float:left;width:50px;}