body,ul,li{ margin: 0; padding: 0; }
.cont2{ margin: auto;}
.cont2_l{ float:left; width:650px; height:262px; margin-left:0px;display:inline;}
.heros ul{ width:630px; padding:10px 0; }
.heros li{ float:left; padding-left:7px; width:150px; height:254px; position:relative;}
.ctnList_h{ width:150px; height:254px; position:absolute; top:0px; left:0px; display:none;padding-left: 7px;}