.overlay {
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background: rgba(0, 0, 0, 0.9);
	z-index: 9999;
}




.overlay .overlay-close {
	width: 0.35rem;
	height: 0.35rem;
	position: absolute;
	right: 20px;
	top: 20px;
	overflow: hidden;
	border: none;
	background: url(../images/cross.png) no-repeat center center;
	text-indent: 200%;
	color: transparent;
	outline: none;
	z-index: 100;
}




.overlay .nav {
	text-align: center;
	position: relative;
	top: 15%;
	height: 85%;
	overflow-y: auto;
	/* -webkit-transform: translateY(-50%); */
	/* transform: translateY(-50%); */
}

.overlay .nav > ul {
	list-style: none;
	padding: 0;
	margin: 0 auto;
	display: inline-block;
	position: relative;
	width: 50%;
}

.overlay ul li {
	display: block;
	height: 20%;
	height: calc(100% / 7);
	min-height: 54px;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	position: relative;
}

.overlay ul li a {
	font-size: 0.4rem;
	font-weight: 300;
	display: block;
	color: #fff;
	-webkit-transition: color 0.2s;
	transition: color 0.2s;
	line-height: 0.6rem;
	width: 90%;
}

.overlay ul li a:hover,
.overlay ul li a:focus {
	color: #e3fcb1;
}




.overlay-slidedown {
	visibility: hidden;
	-webkit-transform: translateY(-100%);
	transform: translateY(-100%);
	-webkit-transition: -webkit-transform 0.4s ease-in-out, visibility 0s 0.4s;
	transition: transform 0.4s ease-in-out, visibility 0s 0.4s;
}

.overlay-slidedown.open {
	visibility: visible;
	-webkit-transform: translateY(0%);
	transform: translateY(0%);
	-webkit-transition: -webkit-transform 0.4s ease-in-out;
	transition: transform 0.4s ease-in-out;
}

@media screen and (max-height: 30.5em) {
	.overlay nav {
		height: 70%;
		font-size: 0.3rem;
	}
	.overlay ul li {
		min-height: 0.34rem;
	}
}