.navigation-overlay {

    position:fixed;
    z-index:200;

}

.navigation-overlay-show {
    top:0;
    left:0;
    opacity:1;
}

.navigation-overlay-hidden {
    top:-100vh;
    left:0;
    opacity:0;
}

.fa-minus {
    display:none;
}
.navigation-overlay-container-menu ul.sub-menu {
    display:none;
}