/* Etapa 18 — evita o salto de layout entre menu, cabecalho e conteudo. */
/* O menu deve ocupar sempre o mesmo espaco no fluxo da pagina. */
html body nav.mw-navbar,
html body nav.mw-navbar.sticky {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    transform: none !important;
    margin-bottom: 0 !important;
}
/* Mantem a arte original e evita mudancas de geometria por animacao de rolagem. */
html body > .header {
    position: relative !important;
    top: auto !important;
    transform: none !important;
    margin-top: 0 !important;
}
/* A barra de navegacao nao deve sair do fluxo quando algum script reaplicar sticky. */
@media (min-width: 992px) {
    html body nav.mw-navbar,
    html body nav.mw-navbar.sticky { height: 80px !important; min-height: 80px !important; }
}