solve backcolor lost

themes/project/layouts/partials/nav.html

@@ -17,13 +17,12 @@
                 </div>
             </div>
             <!--/.navbar-header -->
-
             <div class="navbar-collapse collapse" id="navigation">
                 <ul class="nav navbar-nav navbar-right">
                   {{ $current := . }}
                   {{ range .Site.Menus.main }}
                   {{ $topLevel := replace .URL "/" "" }}
-                  <li class="dropdown{{ if eq $current.RelPermalink .URL | or (eq $current.Type $topLevel) | or (and (eq (default (trim .URL "/") .Identifier) "blog") (in (slice "taxonomy" "taxonomyTerm") $current.Kind)) }} active{{ end }}">
+                  <li class="dropdown{{ if eq $current.RelPermalink .URL | or (eq (trim $current.RelPermalink "/") $topLevel) | or (eq $current.Type .Identifier) | or (eq $current.Type $topLevel) | or (and (eq (default (trim .URL "/") .Identifier) "blog") (in (slice "taxonomy" "taxonomyTerm") $current.Kind)) }} active{{ end }}">
                     {{ if .HasChildren }}
                       <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">{{ .Name }} <span class="caret"></span></a>
                     <ul class="dropdown-menu">