* {
	margin: 0;
	padding: 0;
}

html,
body {
	width: 100%;
	height: 100%;
	overflow: hidden;
	background: #fff;
	font-family: "microsoft yahei";
}

html {
	font-size: 62.5%;
}

body {
	font-size: 1rem;
}

* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

a {
	text-decoration: none;
	color: #000;
}
i{
	font-style: normal;
}

img {
	border: 0;
}

button {
	outline: 0;
}

button,
input,
optgroup,
select,
textarea {
	margin: 0;
	font: inherit;
	color: inherit;
	outline: none;
}

li {
	list-style: none;
}
iframe{
	border: none;
}