.botao-topo {
    display: none;
    position: fixed;
    align-items: center;
    justify-content: center;
    z-index: 6;
    border-radius: 40px;
    right: 80px;
    bottom: 80px;
    height: 40px;
    width: 40px;
    background: var(--gradient);
    font-size: 24px;
    cursor: pointer;
    border: none;
    border: 2px solid var(--branco);
    box-sizing: border-box;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 2px 4px;
    color: var(--branco);
    transition: .4s ease all;
}

.botao-topo:hover {
    color: #000;
    transform: scale(1.1);
}

@media screen and (max-width: 1023px) {
    .botao-topo {
        right: 64px;
        bottom: 64px;
    }

    .botao-topo:hover {
        bottom: 64px;
    }
}

@media screen and (max-width: 767px) {
    .botao-topo {
        right: 40px;
        bottom: 56px;
    }

    .botao-topo:hover {
        bottom: 60px;
    }
}