.main-nav {
	position: fixed;
	top: 0;
	width: 350px;
	height: 100%;
	z-index:10;
	left:-270px;
	transition: 350ms;
}

.main-nav.show {
	left:0;	
}

.main-nav::after {
	position: absolute;
	content: '';
	width:15px;
	height:100%;
	top:0;
	right: 57px;
	background: url('../img/little-squares-vertical.png') repeat-y;	
	background-size: 100% auto;
}

.main-nav .menu {
	position:absolute;
	height:100%;
	background: #000;	
	padding: 20% 10%;
	width:300px;
	top:0;
	left:0;
}

.main-nav .menu ul {
	list-style:none;
	margin:0;
	padding:0;	
}

.main-nav .menu a {
	color: #fff;
	display:block;
	text-transform: uppercase;
	font-weight: 700;	
	position:relative;
	padding: 7px 0;
}

.main-nav .menu a:hover,
.main-nav .menu li.current-menu-item a {
	color: #ddd;	
}

.main-nav .menu li a:hover:before,
.main-nav .menu li.current-menu-item a:before {
	display:block;
	content: '';
	border: 5px solid transparent;
	border-left-color: #ddd;
	position:absolute;
	top: 12px;
	left: -15px;	
}

.main-nav .arrow {
	width: 80px;
	position: absolute;
	top: calc(50% - 40px);
	right: 1px;
	text-align: left;
	transform: rotate(-90deg);
	height: 25px;
	text-transform: uppercase;
	font-weight: 700;
	font-size: 25px;
	line-height: 1em;
	color: #000;
}

.main-nav .arrow img {
	height:110px;
}