html {
	color: #000;
	background: #EBEBEB;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
	margin:0 auto;
	padding: 0;
	font-size: 14px;
	font-family: "Microsoft yahei";
}
.mar-ao{
	margin:0 auto;
}