/* Overlay style */
.overlay {
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
}

/* Overlay closing cross */
.overlay .overlay-close {
	width: 80px;
	height: 80px;
	position: absolute;
	right: 35px;
	top: 20px;
	border: none;
	background: #222 url(../img/open.png) no-repeat center center;
	text-indent: 200%;
	color: transparent;
	outline: none;
	z-index: 100;
	padding: 20px;
	border-radius: 50%;
	transition: all 0.5s ease;
}

.overlay .overlay-open {
	width: 50px;
	height: 50px;
	position: absolute;
	right: 38px;
	top: 95px;
	overflow: hidden;
	border: none;
	background: url(../img/close.png) no-repeat center center;
	text-indent: 200%;
	color: transparent;
	outline: none;
	z-index: 100;
	padding: 20px;
	transition: all 0.5s ease;
}

	
.overlay .overlay-open:hover{ 
    transform: rotate(180deg); 
	-ms-transform: rotate(180deg); /* IE 9 */
    -webkit-transform: rotate(180deg); /* Chrome, Safari, Opera */
	 border: 0 solid #6cc6f3;
	opacity: 1 !important;
	}

/* Menu style */
.overlay nav {
	position: relative;
	top: 0;
	height: 100%;
	overflow:auto;
	width: 100%;
	margin: 0 auto;
	background: rgba(255,255,255,1);
}

.overlay ul {
	list-style: none;
	padding: 0;
	margin: 0 auto;
	display: inline-block;
	height: 100%;
	position: relative;
}

.overlay ul li {
	display: block;
	height: 20%;
	height: calc(100% / 5);
	min-height: 54px;
}

.overlay ul li a {
	font-weight: 300;
	display: block;
	color: #fff;
	-webkit-transition: color 0.2s;
	transition: color 0.2s;
}

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

/* Effects */
.overlay-hugeinc {
	opacity: 0;
	visibility: hidden;
	-webkit-transition: opacity 0.1s, visibility 0s 0.1s;
	transition: opacity 0.1s, visibility 0s 0.1s;
}

.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;
	}
}