.btn-toggle {
    --y: 0;
    --z: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(to top, #3f4c6b, #606c88);
    padding: .75rem 3rem;
    border-radius: 1.5rem 1.5rem 0 0;
    border: none;
    box-shadow: 0 2px 40px -10px #000;
    color: #fff;
    white-space: nowrap;
    left: 50%;
    transform: translate3d(var(--x), var(--y), var(--z));
    cursor: pointer;
    z-index: 105;
}

.btn-show {
    --x: -50%;
    .btn-toggle;
    position: fixed;
    bottom: 0rem;
}

.btn-hide {
    .btn-toggle;
}

.menuArea {
    position: fixed;
    bottom: 0;
    animation-name: menuShow;
    animation-duration: 0.8s;
}

.tagOnly {
    animation-name: menuHide;
    animation-duration: 0.2s;
}

.choiceArea {
    border-radius: 1.5rem 1.5rem 0 0;
    padding: 0.2rem .4rem 0.2rem .4rem;
    box-shadow: 0px -9px 50px -30px black;
    transition: height 200ms ease-in-out 400ms, opacity 700ms;
    background: linear-gradient(to bottom, #606c88, #3f4c6b);
}

.rapid-buttons {
    display: flex;
    padding: 0.4rem 0.2rem;
    justify-content: center;

    a {
        flex: 1 1 30%;
        padding: 1.5rem;
        margin: 5px;
        border-radius: 8px;
        background: #d1d1d1;
        color: var(--color);
        text-align: center;
        font-size: 14px;
        font-weight: bold;
        text-decoration: none;
    }
}

@keyframes menuShow {
    0% {
        opacity: 0.6;
        transform: translateY(8rem);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes menuHide {
    0% {
        opacity: 0.6;
    }

    100% {
        opacity: 1;
        /*transform: rotateY(180deg);*/
    }
}