html, body {
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
}

.container-principal {
    flex-grow: 1 !important; 
    display: flex !important;
    flex-direction: row !important;
}

.footer-home {
    width: 100% !important;
}

.barra-header, .navbar {
    margin: 0 auto;
}