/*--- BTN-UP  ---*/
.btn-up {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    border: 1px solid var(--green-color);
    background-color: rgba(255, 255, 255, .0);
    right: 2rem;
    bottom: 2rem;
    display: none;
    justify-content: center;
    align-items: center;
    position: fixed;
    cursor: pointer;
}

.btn-up.show {
    opacity: .2;
    display: flex;
}

.bx-chevron-up {
    font-size: 2.1em;
    color: var(--green-color);
}


/*--- RESPONSIVE  ---*/
@media (max-width: 767px) {
    .btn-up {
        display: none;
    }
}