html{height:100%}body.signin{height:auto;min-height:490px}.login-bg{background:url(../img/login_bg.png) left center no-repeat;min-height:480px;padding-top:100px}.login-container-w{width:900px;margin:0 auto;text-align:center}.login-container{width:450px;padding:15px 25px;background:rgba(0,0,0,0.3);border-radius:8px;margin-left:450px;color:#fff}.pword,.uname{color:#333!important}