Fix resize of top navbar

Author: GuillaumeGomez

templates/style/_navbar.scss

@@ -149,8 +149,8 @@ div.nav-container {
     // These hardcoded values are "magic", in the sense they were observed to be the lowest-possible
     // thresholds through experimentation with a package name that hit the max-width of the element.
     $full-width: 1142px;
-    $medium-width: 860px;
-    $narrow-width: 805px;
+    $medium-width: 928px;
+    $narrow-width: 872px;
 
     // use a .title span inside a menu to hide it on small screens
     span.title {