nav.nav_knizka
{
	display: none;
}

	.header,
	.content,
	.footer
	{
		text-align: center;
	}
	.header,
	.footer
	{
		background: none repeat scroll 0 0 rgba(0, 0, 0, 0);
		border-bottom: 1px solid #ccc;
	
		color: #fff;
		font-size: 16px;
		font-weight: bold;
		height: 40px;
		line-height: 40px;
		padding: 0;
		width: 100%;
		display: block;
		-moz-box-sizing: border-box;
		box-sizing: border-box;	
		
	}
	.header.fixed
	{
		position: fixed;
		top: 0;
		left: 0;
	}
	.footer.fixed
	{
		position: fixed;
		bottom: 0;
		left: 0;
	}
	.header a.menu-left
	{
		background: center center no-repeat transparent;
		background-image: url('/img/knizka_menu.png');
		background-image: url('/img/align_left.png');
		background-repeat:no-repreat;
		background-size:27px auto;
		display: block;
		width: 40px;
		height: 40px;
		position: absolute;
		top: 0;
		left: 10px;
	}
	.submenu_holder{
		width: 100%;
	}