.chongzhi {
	background-color:red;
	width:50px;
	color:#fff;
	height:30px;
	border-radius:10px;
	border:none;
	margin-bottom:5px;
}
.demo {
	width:50px;
	margin:0 auto;
	text-align:center;
	height:100px;
}
.time {
	width:100%;
	border-radius:50%;
	height:50px;
	text-align:center;
	border:1px red solid;
	color:red;
}
.div {
	width:100px;
	height:100px;
	background-color:red;
	margin:0 auto;
	text-align:center;
	line-height:100px;
	color:#fff;
	border-radius:50%;
}