diff --git a/templates/default.html b/templates/default.html
index 04fa0ef..8dd931f 100644
--- a/templates/default.html
+++ b/templates/default.html
@@ -102,12 +102,7 @@
 
     document.getElementById("categories_toggle").onclick = function() {
       categories_menu_item = document.getElementById("categories_menu");
-      if (categories_menu_item.style.display == "none") {
-        categories_menu_item.style.display = "block"
-      }
-      else {
-        categories_menu_item.style.display = "none"
-      }
+      categories_menu_item.style.display = categories_menu_item.style.display === "none" ? "block" : "none"
     };
     document.getElementById("dark_theme_toggle").onclick = function() {
       html = document.documentElement;