fixes #4416 in a different way: scope active state of navbar links to just the...

fixes #4416 in a different way: scope active state of navbar links to just the immediate navbar link, not dropdown elements

docs/assets/css/bootstrap.css

@@ -4220,9 +4220,9 @@ input[type="submit"].btn.btn-mini {
   background-color: transparent;
 }
 
-.navbar .nav .active > a,
-.navbar .nav .active > a:hover,
-.navbar .nav .active > a:focus {
+.navbar .nav > .active > a,
+.navbar .nav > .active > a:hover,
+.navbar .nav > .active > a:focus {
   color: #555555;
   text-decoration: none;
   background-color: #e5e5e5;

less/navbar.less

@@ -225,9 +225,9 @@
 }
 
 // Active nav items
-.navbar .nav .active > a,
-.navbar .nav .active > a:hover,
-.navbar .nav .active > a:focus {
+.navbar .nav > .active > a,
+.navbar .nav > .active > a:hover,
+.navbar .nav > .active > a:focus {
   color: @navbarLinkColorActive;
   text-decoration: none;
   background-color: @navbarLinkBackgroundActive;