diff --git a/assets/js/menu.js b/assets/js/menu.js
index a33e66b..a5f556a 100644
--- a/assets/js/menu.js
+++ b/assets/js/menu.js
@@ -1,16 +1,21 @@
 // Mobile menu
 
-const menuTrigger = document.querySelector(".menu-trigger");
-const menu = document.querySelector(".menu");
-const mobileQuery = getComputedStyle(document.body).getPropertyValue("--phoneWidth");
+(function() {
+const menuTrigger = document.querySelector('.menu-trigger');
+const menu = document.querySelector('.menu');
+const mobileQuery =
+    getComputedStyle(document.body).getPropertyValue('--phoneWidth');
 const isMobile = () => window.matchMedia(mobileQuery).matches;
 const isMobileMenu = () => {
-  menuTrigger && menuTrigger.classList.toggle("hidden", !isMobile());
-  menu && menu.classList.toggle("hidden", isMobile());
+  menuTrigger && menuTrigger.classList.toggle('hidden', !isMobile());
+  menu && menu.classList.toggle('hidden', isMobile());
 };
 
 isMobileMenu();
 
-menuTrigger && menuTrigger.addEventListener("click", () => menu && menu.classList.toggle("hidden"));
+menuTrigger &&
+    menuTrigger.addEventListener(
+        'click', () => menu && menu.classList.toggle('hidden'));
 
-window.addEventListener("resize", isMobileMenu);
+window.addEventListener('resize', isMobileMenu);
+})();
\ No newline at end of file
diff --git a/assets/js/theme.js b/assets/js/theme.js
index 9561c83..d81880b 100644
--- a/assets/js/theme.js
+++ b/assets/js/theme.js
@@ -1,23 +1,27 @@
 // Toggle theme
 
-const getTheme = window.localStorage && window.localStorage.getItem("theme");
-const themeToggle = document.querySelector(".theme-toggle");
-const isDark = getTheme === "dark";
-var metaThemeColor = document.querySelector("meta[name=theme-color]");
+(function() {
+const getTheme = window.localStorage && window.localStorage.getItem('theme');
+const themeToggle = document.querySelector('.theme-toggle');
+const isDark = getTheme === 'dark';
+var metaThemeColor = document.querySelector('meta[name=theme-color]');
 
 if (getTheme !== null) {
-  document.body.classList.toggle("dark-theme", isDark);
-  isDark ? metaThemeColor.setAttribute("content", "#252627") : metaThemeColor.setAttribute("content", "#fafafa");
+  document.body.classList.toggle('dark-theme', isDark);
+  isDark ? metaThemeColor.setAttribute('content', '#252627') :
+           metaThemeColor.setAttribute('content', '#fafafa');
 }
 
-themeToggle.addEventListener("click", () => {
-  document.body.classList.toggle("dark-theme");
+themeToggle.addEventListener('click', () => {
+  document.body.classList.toggle('dark-theme');
   window.localStorage &&
-    window.localStorage.setItem(
-      "theme",
-      document.body.classList.contains("dark-theme") ? "dark" : "light",
-    );
-  document.body.classList.contains("dark-theme") ?
-    metaThemeColor.setAttribute("content", "#252627") : metaThemeColor.setAttribute("content", "#fafafa");
+      window.localStorage.setItem(
+          'theme',
+          document.body.classList.contains('dark-theme') ? 'dark' : 'light',
+      );
+  document.body.classList.contains('dark-theme') ?
+      metaThemeColor.setAttribute('content', '#252627') :
+      metaThemeColor.setAttribute('content', '#fafafa');
   ;
 });
+})();