nav:not(.mm-menu)
{
	display: none;
}

.header,
.content,
.footer
{
	text-align: center;
}
.header,
.footer
{
	
	width: 100%;
	padding: 0 20px;
}
.header.fixed
{
	position: fixed;
	top: 0;
	left: 0;
}
.footer.fixed
{
	position: fixed;
	bottom: 0;
	left: 0;
}
.header a
{
	display: block;
	width: 28px;
	height: 18px;
	padding-top: 20px;
	padding-right:10px;
	position: relative;
	top: 0;
	left: 0;
	float:left;
	color:#000;
}
.header a:before,
.header a:after
{
	content: '';
	display: block;
	background: #000;
	height: 0px;
}
.header a span
{
	background: #fff;
	display: block;
	height: 2px;
	margin: 6px 0;
}