fixes #8797: only expand submenu docs links at >768px

diff --git a/assets/css/docs.css b/assets/css/docs.css
index 2064df40b4573453e21d0dc67c262d6c924c3c43..af053d4b27f4ccb6ccef5176de082f3719ac9c30 100644 (file)
--- a/assets/css/docs.css
+++ b/assets/css/docs.css
@@ -261,12 +261,9 @@ body {
 
 /* Nav: second level (shown on .active) */
 .bs-sidebar .nav .nav {
-  display: none;
+  display: none; /* Hide by default, but at >768px, show it */
   margin-bottom: 8px;
 }
-.bs-sidebar .nav > .active > ul {
-  display: block;
-}
 .bs-sidebar .nav .nav > li > a {
   padding-top:    3px;
   padding-bottom: 3px;
@@ -792,6 +789,10 @@ input.focused {
   .bs-sidebar {
     display: block;
   }
+  /* Show the hidden subnavs when space allows it */
+  .bs-sidebar .nav > .active > ul {
+    display: block;
+  }
 
   /* Tweak display of docs jumbotrons */
   .bs-masthead {