.messtop_topbg{width:100%;float:left}.banner_bg img{height:auto;width:auto\9;width:100%}.user_word{color:#0c95ff;font-size:20px;font-weight:400;padding-left:16px;text-align:center}.copyright{text-align:left;padding-left:20px;font-size:16px;color:#888}.userreg{cursor:pointer}