*{
	margin: 0;
	padding: 0 auto;
}
body{
	background-color: red;
}
ul{
	font:30px/40px "微软雅黑";
	display: block;
}
ul li{
	display: block;
   outline-style: none;
   width: 40px;
   height: 40px;
   background-color: red;
}