.link_box{position:relative;width:30%;padding:5%;border:solid 1px #CCC;margin:0px auto 20px;} .link_box a{position:absolute;top:0;left:0;width:100%;height:100%;text-indent:-999px;} .link_box a:hover{background-color:#FFF;filter:alpha(opacity=50);-moz-...