render active nav-item

WIP #2

basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css

@@ -73,6 +73,10 @@ header .navbar-brand {
     font-family: "BrandonGrotesqueBld";
 }
 
+header nav.navbar nav-item.active{
+    background: #FFFFFF30;
+}
+
 header .dropdown-menu a,
 header a {
     display: block;