/* Overlay style */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url(/img/overbulls.jpg) no-repeat center center;
    background-color: #ae1738;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
}

/* Overlay closing cross */
.overlay .overlay-close {
    overflow: hidden;
    z-index: 100;
    position: absolute;
    top: 20px;
    right: 45px;
    color: #fff;
    font-size: 54px;
    font-weight: 300;
}
.underline {
    border-bottom: 1px solid currentColor;
    display: inline-block;
    line-height: 0.85em;
    text-align: right;
    padding-bottom: 0.03em;
    letter-spacing: 0.2em;
}

/* Menu style */
.overlay nav {
	text-align: left;
	position: relative;
	top: 30%;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
        margin-top: 30px; /* 30px top margin to avoid conflict with the close button on smaller screens */
}

.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;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
        margin-bottom: 1em;
}

.overlay ul li a {
	font-size: 3em;
	font-weight: 300;
	display: block;
	color: #fff;
	-webkit-transition: color 0.5s;
	transition: color 0.5s;
        padding-left: 1.5em;
}

.overlay ul li a:hover,
.overlay ul li a:focus {
	color: #000;
}

/* Effects */
.overlay-scale {
	visibility: hidden;
	opacity: 0;
	-webkit-transform: scale(0.9);
	transform: scale(0.9);
	-webkit-transition: -webkit-transform 0.2s, opacity 0.2s, visibility 0s 0.2s;
	transition: transform 0.2s, opacity 0.2s, visibility 0s 0.2s;
}

.overlay-scale.open {
	visibility: visible;
	opacity: 1;
	-webkit-transform: scale(1);
	transform: scale(1);	
	-webkit-transition: -webkit-transform 0.4s, opacity 0.4s;
	transition: transform 0.4s, opacity 0.4s;
}

@media screen and (max-height: 30.5em) {
	.overlay nav {
		height: 70%;
		font-size: 0.8em;
	}
	.overlay ul li {
		min-height: 2em;
	}
}