diff --git a/app/scripts/main.js b/app/scripts/main.js
index b75ca067..ad92169f 100644
--- a/app/scripts/main.js
+++ b/app/scripts/main.js
@@ -1,69 +1,69 @@
-(function(document) {
-        var toggleDocumentationMenu = function() {
-          var navBtn = document.querySelector('.main-nav__btn');
-          var navList = document.querySelector('.main-nav__list');
-          var navIsOpenedClass = 'nav-is-opened';
-          var navListIsOpened = false;
+(function (document) {
+      var toggleDocumentationMenu = function () {
+            var navBtn = document.querySelector('.main-nav__btn');
+            var navList = document.querySelector('.main-nav__list');
+            var navIsOpenedClass = 'nav-is-opened';
+            var navListIsOpened = false;
 
-          navBtn.addEventListener('click', function (event) {
-            event.preventDefault();
+            navBtn.addEventListener('click', function (event) {
+                  event.preventDefault();
 
-            if (!navListIsOpened) {
-              addClass(navList, navIsOpenedClass);
-              navListIsOpened = true;
-            } else {
-              removeClass(navList, navIsOpenedClass);
-              navListIsOpened = false;
-            }
-          });
-        }
+                  if (!navListIsOpened) {
+                        addClass(navList, navIsOpenedClass);
+                        navListIsOpened = true;
+                  } else {
+                        removeClass(navList, navIsOpenedClass);
+                        navListIsOpened = false;
+                  }
+            });
+      }
 
-        var toggleMainNav = function() {
-          var documentationItem =
-              document.querySelector('.main-nav__item--documentation');
-          var documentationLink =
-              document.querySelector('.main-nav__item--documentation > .main-nav__link');
-          var documentationIsOpenedClass = 'subnav-is-opened';
-          var documentationIsOpened = false;
+      var toggleMainNav = function () {
+            var documentationItem =
+                  document.querySelector('.main-nav__item--documentation');
+            var documentationLink =
+                  document.querySelector('.main-nav__item--documentation > .main-nav__link');
+            var documentationIsOpenedClass = 'subnav-is-opened';
+            var documentationIsOpened = false;
 
-          documentationLink.addEventListener('click', function (event) {
-            event.preventDefault();
+            documentationLink.addEventListener('click', function (event) {
+                  event.preventDefault();
 
-            if (!documentationIsOpened) {
-              documentationIsOpened = true;
-              addClass(documentationItem, documentationIsOpenedClass);
-            } else {
-              documentationIsOpened = false;
-              removeClass(documentationItem, documentationIsOpenedClass);
-            }
+                  if (!documentationIsOpened) {
+                        documentationIsOpened = true;
+                        addClass(documentationItem, documentationIsOpenedClass);
+                  } else {
+                        documentationIsOpened = false;
+                        removeClass(documentationItem, documentationIsOpenedClass);
+                  }
 
-          });
-        }
+            });
+      }
 
-        var isTouch = function() {
-          return ('ontouchstart' in window) ||
-            window.DocumentTouch && document instanceof DocumentTouch;
-        };
+      var isTouch = function () {
+            return ('ontouchstart' in window) ||
+                  window.DocumentTouch && document instanceof DocumentTouch;
+      };
 
-        var addClass = function (element, className) {
-          if (!element) { return; }
-          element.className = element.className.replace(/\s+$/gi, '') + ' ' + className;
-        }
+      var addClass = function (element, className) {
+            if (!element) { return; }
+            element.className = element.className.replace(/\s+$/gi, '') + ' ' + className;
+      }
 
-        var removeClass = function(element, className) {
-          if (!element) { return; }
-          element.className = element.className.replace(className, '');
-        }
+      var removeClass = function (element, className) {
+            if (!element) { return; }
+            element.className = element.className.replace(className, '');
+      }
 
-        var html = document.querySelector('html');
-        removeClass(html, 'no-js');
-        addClass(html, 'js');
+      var html = document.querySelector('html');
+      removeClass(html, 'no-js');
+      addClass(html, 'js');
 
-        if (isTouch()) {
-          removeClass(html, 'no-touch');
-          addClass(html, 'is-touch');
-        }
+      if (isTouch()) {
+            removeClass(html, 'no-touch');
+            addClass(html, 'is-touch');
+      }
 
-        toggleDocumentationMenu();
-        toggleMainNav();
-      })(document);
\ No newline at end of file
+      toggleDocumentationMenu();
+      toggleMainNav();
+}(document));