imio-publik-themes/static/profondeville/_custom.scss

div#nav {
	margin-bottom: 4.3em;
	padding-top: 1.7em;
}

@media screen and (max-width: 800px) {
    div.gru-nav .gru-nav-button {
        background: #dbdbdb;
    }
    nav.site-nav {
        margin-top: 134px;
    }
}