.case_index{ list-style:none; padding:0px; margin:0px; width:532px;}
.case_index li{ list-style:none; width:160px; float:left; padding:0px; margin:10px 0px 0px 10px;}
.case_index span{ width:160px; float:left; text-align:center; line-height:24px;}
.case_index img { width:120px; height:90px;}
.case_index a {FONT-SIZE: 12px; MARGIN: 0px; width:120px; text-decoration:underline;}
.case_index a:hover {FONT-SIZE: 12px; text-decoration:underline;}