body {
	margin:0;
	padding:0;
}
#header {
	height:50px;
	line-height:50px;
	background-color:#999;
	font-size:20px;
	color:#fff;
	padding-left:20px;
}
ul li {
	list-style:none;
	height:125px;
	background-color:#ccc;
	padding:10px;
	width:200px;
	margin:10px;
	border-radius:5px;
}
.name,.price,.num {
	font-size:18px;
	font-weight:bolder;
}
.opera span {
	width:30px;
	height:30px;
	display:inline-block;
	background:#eee;
	line-height:30px;
	text-align:center;
}
.plus,.sub {
	cursor:pointer;
	border:1px solid #666;
}
.numchange {
	background-color:#fff;
	width:30px;
	height:30px;
	text-align:center;
}