Add Sass docs (variables, mixins, and loops) to most pages (#32747)

* WIP: Mention variables, mixins, and loops in docs

* Add Sass sections to component pages

* add sass docs for forms and content

* Update buttons.md

* Remove empty mixins sections

* Massive update to utilities and some consistency changes

Co-authored-by: XhmikosR <[email protected]>

1 files changed, 3 insertions, 13 deletions

diff --git a/js/dist/button.js b/js/dist/button.js
index 7e6b55a60..4139b4bd3 100644
--- a/js/dist/button.js
+++ b/js/dist/button.js
@@ -34,17 +34,7 @@
   function _inheritsLoose(subClass, superClass) {
     subClass.prototype = Object.create(superClass.prototype);
     subClass.prototype.constructor = subClass;
-
-    _setPrototypeOf(subClass, superClass);
-  }
-
-  function _setPrototypeOf(o, p) {
-    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
-      o.__proto__ = p;
-      return o;
-    };
-
-    return _setPrototypeOf(o, p);
+    subClass.__proto__ = superClass;
   }
 
   /**
@@ -144,8 +134,8 @@
 
     _createClass(Button, null, [{
       key: "DATA_KEY",
-      get: // Getters
-      function get() {
+      // Getters
+      get: function get() {
         return DATA_KEY;
       }
     }]);