/* 把我们所有标签的内外边距清零 */
* {
	margin: 0;
	padding: 0
}

/* em 和 i 斜体的文字都不倾斜 */
em,
i {
	font-style: normal
}

/* 去掉每个li前面的小圆点 */
li {
	list-style: none
}


img {
	border: 0;
	vertical-align: middle;
}


button {
	cursor: pointer;
}

a {
	color: #000;
	text-decoration: none;
}


body {
	-webkit-font-smoothing: antialiased;
	background-color: #fff;
	font: 16px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
	color: #000
}

.hide,
.none {
	display: none
}

.clearfix:after {
	visibility: hidden;
	clear: both;
	display: block;
	content: ".";
	height: 0
}

.clearfix {
	zoom: 1
}