/* Overlay style */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(246, 120, 73, 0.9);
}

/* Overlay closing cross */
.overlay .overlay-close {
    width: 40px;
    height: 40px;
    position: absolute;
    right: 20px;
    top: 20px;
    overflow: hidden;
    border: none;
    background: url(../../../img/close_cross.png) no-repeat center center;
    background-size: 40px 40px;
    text-indent: 200%;
    color: transparent;
    outline: none;
    z-index: 100;
}

@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and (   min--moz-device-pixel-ratio: 2),
only screen and (     -o-min-device-pixel-ratio: 2/1),
only screen and (        min-device-pixel-ratio: 2),
only screen and (                min-resolution: 192dpi),
only screen and (                min-resolution: 2dppx) {

    .overlay .overlay-close {
        background-image: url(../../../img/close_cross_2x.png);
    }

}

/* Menu style */
.overlay nav {
    text-align: center;
    position: relative;
    top: 50%;
    height: 60%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

.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% / 6);
    min-height: 54px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.overlay ul li a {
    font-size: 36px;
    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: #f0f0f0;
}

/* 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: 34px;
    }
.overlay ul li {
        min-height: 34px;
    }
}