refs #15952 [fid_bbi] selected menu entries

* colored in brand-secondary

themes/fid_bbi/scss/compiled.scss

@@ -422,6 +422,10 @@ footer {
   background-color: $brand-secondary;
 }
 
+.sidebar a.active {
+  background-color: $brand-secondary;
+}
+
 //// result body width
 .result-body {
   width: 90%;