refactoring of the less infrastructure

www/code/app-code.less

@@ -2,15 +2,13 @@
 @import (reference) "../../customize/src/less2/include/markdown.less";
 @import (reference) "../../customize/src/less2/include/framework.less";
 
-
-.framework_main(
-    @bg-color: @colortheme_code-bg,
-    @warn-color: @colortheme_code-warn,
-    @color: @colortheme_code-color
-);
-
-// body
 &.cp-app-code {
+    .framework_main(
+        @bg-color: @colortheme_code-bg,
+        @warn-color: @colortheme_code-warn,
+        @color: @colortheme_code-color
+    );
+
     display: flex;
     flex-flow: column;
     max-height: 100%;

www/code/inner.js

@@ -37,6 +37,8 @@ define([
     'cm/addon/fold/comment-fold',
     'cm/addon/display/placeholder',
 
+    'less!/code/app-code.less'
+
 ], function (
     $,
     DiffMd,