.overlay-search {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #333;
    z-index: 999;
}

.overlay-search .overlay-close {
    width: 80px;
    height: 80px;
    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-search nav {
    text-align: center;
    position: relative;
    top: 50%;
    height: 60%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

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

.overlay-search ul li {
    display: block;
    height: 20%;
    min-height: 54px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.overlay-search ul li a {
    font-size: 54px;
    font-weight: 300;
    display: block;
    color: #fff;
    -webkit-transition: color 0.2s;
    transition: color 0.2s;
}

.overlay-search ul li a:hover,
.overlay-search ul li a:focus {
    color: #f0f0f0;
}


.overlay-door {
    visibility: hidden;
    width: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    -webkit-transition: width 0.5s 0.3s, visibility 0s 0.8s;
    transition: width 0.5s 0.3s, visibility 0s 0.8s;
}

.overlay-door.open {
    visibility: visible;
    width: 100%;
    -webkit-transition: width 0.5s;
    transition: width 0.5s;
}

.overlay-door nav {
    position: absolute;
    left: 50%;
    -webkit-transform: translateY(-50%) translateX(-50%);
    transform: translateY(-50%) translateX(-50%);
}

.overlay-door nav,
.overlay-door .overlay-close {
    opacity: 0;
    -webkit-transition: opacity 0.3s 0.5s;
    transition: opacity 0.3s 0.5s;
}

.overlay-door.open nav,
.overlay-door.open .overlay-close {
    opacity: 1;
    -webkit-transition-delay: 0.5s;
    transition-delay: 0.5s;
}

.overlay-door.close nav,
.overlay-door.close .overlay-close {
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
}

@media screen and (max-height: 30.5em) {
    .overlay-search nav {
        height: 70%;
        font-size: 34px;
    }
    .overlay-search ul li {
        min-height: 34px;
    }
}
.overlay-search input[type="search"] {
    -webkit-appearance: none;
    padding: 20px 100px;
    text-align: center;
    box-shadow: none;
    border: 0;
    margin-top: 47%;
}