.wbnn{position:fixed;top:300px;z-index:999999;display:none}.wbnn .wbnn-close{position:absolute;width:25px;height:25px;top:-12px;background:url(close.png),no-repeat;background-size:25px 25px}.wbnn img{width:100px;height:auto}.w-bnn-bottom{bottom:0;top:unset;left:270px}.w-bnn-bottom img{width:auto;height:74px}.w-bnn-bottom .wbnn-close{right:-12px}.w-bnn-left{left:20px}.w-bnn-right{right:20px}.w-bnn-left .wbnn-close{left:-12px}.w-bnn-right .wbnn-close{right:-12px}