body {
    /*background-image: url(Img/loginBG.png);*/
    background-repeat: no-repeat;
    background-position: center;
    /*height: 100%;*/
    /*width: 100%;*/
    background-size: cover;
    text-align: center;
    font-family: "微软雅黑";
    color: #333;
}
	
.uber {
	font-size: 1.2rem;
}
	
.tip {
	padding: 10px 20px;
	width: 30%;
	border-radius: 10px;
	color: #000;
	text-align:center;
	vertical-align:middle;
    font-weight:bold;
}