.lzkPiaoChuang{ width:330px; height:240px; line-height:100px; text-align:center; color:#fff; background:#1F7DB8; position:fixed; top:0; left:0;}
.lzkPiaoChuang .close{ position:absolute; top:-35px; right:5px; color:#000; cursor:pointer;}
.lzkPiaoChuang .close:hover{ color:#f00;}