.nav {
    padding: 40px;
    box-shadow: 5px 6px 4px #d4d4d4;
    flex-direction: column;
    justify-content: space-between;
    display: flex;
}
.nav_index_ext {
    max-width: 240px;
}
.ul_navbar_master {
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.figure_logotipo {
    margin-bottom: 20px;
    justify-content: center;
    display: flex;
}

.conteudo_rede_social {
    display: flex;
    justify-content: center;
}