.gywz-server{
	
	width: 500px;
	height: 1000px;
	background-color: aqua;
}
.gybz-top{
	display: block;
	font-size: 20px;
	margin: 0 auto;
	margin-left: 100px;
	margin-top: 20px;
	color: black;
}
.ibmc{list-style: none;}