refactoring of the less infrastructure

www/worker/app-worker.less

@@ -1,10 +1,9 @@
 @import (reference) "../../customize/src/less2/include/colortheme-all.less";
 @import (reference) '../../customize/src/less2/include/framework.less';
 
-.framework_min_main();
-
-// body
 &.cp-app-worker {
+    .framework_min_main();
+
     display: flex;
     flex-flow: column;
 

www/worker/inner.js

@@ -9,7 +9,7 @@ define([
 
     'css!/bower_components/bootstrap/dist/css/bootstrap.min.css',
     'css!/bower_components/components-font-awesome/css/font-awesome.min.css',
-    'less!/customize/src/less2/main.less',
+    'less!/worker/app-worker.less',
 ], function (
     $,
     Toolbar,