temporary fix to show hidden tabs

Author: Towsti

docs/stylesheets/extra.css

@@ -65,4 +65,9 @@ p {
 /* Hide navigation emojis when the category is opened */
 .md-nav__link .nav-emoji {
     display: none;
+}
+
+/* show navigation tabs on new row when they exceed the max width */
+.md-tabs__list {
+    flex-wrap: wrap;
 }