.conteiner-principal > header {
    background: purple;
}

.conteiner-principal > header svg * {
    fill: white;
}

.g_ .menu-trigger,
.g_ .menu-trigger:after,
.g_ .menu-trigger:before{
    border-top: 3px solid white;
}

@media (min-width: 767px) {
    .conteiner-principal >header .nivel-um .titulo,
    .conteiner-principal >header .nivel-um .icon-chevron-down {
        color: white!important;
    }
}