body .login{width:100%;height:100%;background-size:cover;background-position:50%;position:relative}body .login-con{position:absolute;top:50%;-webkit-transform:translateY(-60%);transform:translateY(-60%);width:300px}body .login-con-header{font-size:16px;font-weight:300;text-align:center;padding:30px 0}body .login-con .form-con{padding:10px 0 0}body .login-con .login-tip{font-size:10px;text-align:center;color:#c3c3c3}.login-error{color:red!important}