Fixed disappearing menu.

assets/js/_main.js

@@ -16,9 +16,11 @@ $(document).ready(function(){
       // fix
       Stickyfill.rebuild();
       Stickyfill.init();
+      $(".author__urls").show()
     } else {
       // unfix
       Stickyfill.stop();
+      $(".author__urls").hide()
     }
   };
 
@@ -73,4 +75,4 @@ $(document).ready(function(){
     midClick: true // allow opening popup on middle mouse click. Always set it to true if you don't provide alternative source.
   });
 
-});
+});