.layer_org_promotion{position:relative;width:548px;height:461px;}.layer_org_promotion .lottery_bg{position:absolute;width:558px;height:461px;background:url(../../images/layer/org_promotion.png) no-repeat;z-index:-9999;_background-image:url(../../images/layer/org_promotion.gif);}.layer_org_promotion .close{position:absolute;top:82px;right:0;width:30px;height:30px;}.layer_org_promotion .close:hover{background:url(../../images/layer/org_promotion_close.png) no-repeat;}.layer_org_promotion .go_to{position:absolute;top:353px;left:167px;width:209px;height:87px;background:url(../../images/layer/org_promotion_btn.png) no-repeat 0 0;}.layer_org_promotion .go_to:hover{background-position:0 -90px;}