/* Overlay style */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(153,204,51,0.9);
    overflow: scroll;
-webkit-overflow-scrolling: touch;
}
.overlay.open{
    position: absolute;
}

/* Overlay closing cross */
.overlay .overlay-close {
    width: 0px;
    height: 0px;
    position: absolute;
    right: 20px;
    top: 20px;
    overflow: hidden;
    border: none;
    background: none;
    text-indent: 200%;
    color: transparent;
    outline: none;
    z-index: 100;
}

/* Effects */
.landing-page {
    background: #fff;
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
}

.landing-page.overlay-open {
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
}

.overlay-contentscale {
    visibility: hidden;
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
    -webkit-transition: -webkit-transform 0.5s, visibility 0s 0.5s;
    transition: transform 0.5s, visibility 0s 0.5s;
}

.overlay-contentscale.open {
    visibility: visible;
    -webkit-transform: translateY(0%);
    transform: translateY(0%);
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
}

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