#scrollArrow {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #A30000;
    /* cor vermelha solicitada */
    color: white;
    /* seta branca */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transition: background-color 0.3s ease;
}

#scrollArrow:hover {
    background-color: #7a0000;
    /* vermelho mais escuro no hover */
}

/* Tamanho do ícone */
#scrollArrow i {
    font-size: 24px;
}