body {
	margin:0;
	padding:0;
	font-size:14px;
	font-family:'Microsoft YaHei','Times New Roman',Times,serif;
	letter-spacing:0;
}
ol {
	margin:0;
	padding:20px 0 20px 30px;
}
ol>li {
	margin:0 0 10px 0;
}
.number-box {
	border:#e5e5e5 solid 1px;
	display:inline-block;
	overflow:hidden;
}
.number-box input[type='text'] {
	height:30px;
	border-top:none;
	border-bottom:none;
	border-left:#e5e5e5 solid 1px;
	border-right:#e5e5e5 solid 1px;
	margin:0;
	text-align:center;
	width:40px;
	outline:none;
	padding:0 5px;
	float:left;
	line-height:30px;
}
.number-box input[type='button'] {
	height:30px;
	width:40px;
	float:left;
	border:none;
	outline:none;
	background-color:#f3f3f3;
	line-height:30px;
	cursor:pointer;
	padding:0;
}
.number-box input[type='button']:hover {
	background-color:#f9f9f9;
}
.number-box input[type='button']:active {
	background-color:#f6f6f6;
}