/* menu items -- example */
#menu {
    --menu-items-transition-delay: var(--menu-transition-time);
    --menu-text-colour: #212121;
}
#menu .items {
    font-family: 'Encode Sans Condensed', sans-serif;
    color: var(--menu-text-colour);
    font-weight: 600;
    font-size: 1.4em;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 200;
}
#menu .items > div {
    margin-top: 1em;
    text-align: center;
    pointer-events: auto;
    user-select: none;
    transform: translate(-20px, 20px) scale(.9);
    transition: 0s;
    opacity: 0.0001;
    visibility: hidden;
    will-change: transform;
}

#menu.active .items > div {
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: .35s cubic-bezier(.4,2.08,.55,1);
}

#menu.active .items > div:nth-child(1) {
    transition-delay: calc(var(--menu-items-transition-delay) + .000s);
}
#menu.active .items > div:nth-child(2) {
    transition-delay: calc(var(--menu-items-transition-delay) + .025s);
}
#menu.active .items > div:nth-child(3) {
    transition-delay: calc(var(--menu-items-transition-delay) + .050s);
}
#menu.active .items > div:nth-child(4) {
    transition-delay: calc(var(--menu-items-transition-delay) + .075s);
}
#menu.active .items > div:nth-child(5) {
    transition-delay: calc(var(--menu-items-transition-delay) + .100s);
}
#menu.active .items > div:nth-child(6) {
    transition-delay: calc(var(--menu-items-transition-delay) + .125s);
}
#menu.active .items > div:nth-child(7) {
    transition-delay: calc(var(--menu-items-transition-delay) + .150s);
}
#menu.active .items > div:nth-child(8) {
    transition-delay: calc(var(--menu-items-transition-delay) + .175s);
}
#menu.active .items > div:nth-child(9) {
    transition-delay: calc(var(--menu-items-transition-delay) + .200s);
}
#menu.active .items > div:nth-child(10) {
    transition-delay: calc(var(--menu-items-transition-delay) + .215s);
}