#hififabrik-backtotop {
    position: fixed !important;
    right: 25px !important;
    bottom: 25px !important;

    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;

    padding: 0 !important;
    margin: 0 !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;

    background: #222222 !important;
    color: #ffffff !important;

    border: none !important;
    border-radius: 50% !important;

    cursor: pointer;
    z-index: 99999;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateY(10px);

    transition:
        opacity 0.25s ease,
        visibility 0.25s ease,
        transform 0.25s ease;
}

#hififabrik-backtotop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

#hififabrik-backtotop:hover {
    background: #444444 !important;
}

#hififabrik-backtotop svg {
    display: block;
    width: 24px;
    height: 24px;
}

@media (max-width: 767px) {
    #hififabrik-backtotop {
        right: 15px !important;
        bottom: 15px !important;

        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
    }
}