/* FOOTER */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;        /* antes era 220px */
    width: 100%;    /* antes era calc(100% - 220px) */
    height: 50px;
    background-color: #003E81;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    z-index: 2000;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.3);
}