.back-to-top {
    position: fixed;
    isolation: isolate;
    transition: all 250ms ease-in-out;
    bottom: 3rem;
    z-index: var(--z-index-back-to-top);
    opacity: 0;
    right: 6rem;
    visibility: hidden;
    box-shadow: 0 0 0.5rem 0 #0004;
    background-color: #0004;
}

.back-to-top.visible {
    visibility: visible;
    opacity: .7;
}

.back-to-top-button {
    background: var(--color-brand-grey-2);
    width: 5rem;
    height: 5rem;
    border: var(--color-primary-white) solid 0.15rem;
    display: grid;
    place-content: center;
}

.back-to-top svg {
    width: 2rem;
    transform: rotate(180deg);
    stroke: var(--color-primary-white) !important;
}

@media screen and (max-width: 730px) {
    .back-to-top {
        display: none;
    }
}