/* Overlay style */
.overlay {
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background: #a0aeae;
	background: rgba(160,174,174,0.95);
	background-size:  120px;
	z-index: 60;
}


.overlay ul li a:hover,
.overlay ul li a:focus {
	color: #fff;
	text-decoration: underline;
}

/* Effects */
.overlay-hugeinc {
	opacity: 0;
	visibility: hidden;
	-webkit-transition: opacity 0.5s, visibility 0s 0.5s;
	transition: opacity 0.5s, visibility 0s 0.5s;
}

.overlay-hugeinc.open {
	opacity: 1;
	visibility: visible;
	-webkit-transition: opacity 0.5s;
	transition: opacity 0.5s;
}

.overlay-hugeinc nav {
	-webkit-perspective: 1200px;
	perspective: 1200px;
}

.overlay-hugeinc nav ul {
	opacity: 0.4;
	-webkit-transform: translateY(-25%) rotateX(35deg);
	transform: translateY(-25%) rotateX(35deg);
	-webkit-transition: -webkit-transform 0.5s, opacity 0.5s;
	transition: transform 0.5s, opacity 0.5s;
}

.overlay-hugeinc.open nav ul {
	opacity: 1;
	-webkit-transform: rotateX(0deg);
	transform: rotateX(0deg);
}

.overlay-hugeinc.close nav ul {
	-webkit-transform: translateY(25%) rotateX(-35deg);
	transform: translateY(25%) rotateX(-35deg);
}

@media screen and (max-height: 30.5em) {
	.overlay nav {
		height: 70%;
		font-size: 34px;
	}
	.overlay ul li {
		min-height: 34px;
	}
}