Kanban styles and color updating

www/kanban/app-kanban.less

@@ -1,9 +1,9 @@
 @import (once) "../../customize/src/less2/include/browser.less";
 @import (once) "../../customize/src/less2/include/framework.less";
 
-.framework_main( @bg-color: @colortheme_code-bg,
-@warn-color: @colortheme_code-warn,
-@color: @colortheme_code-color);
+.framework_main( @bg-color: @colortheme_kanban-bg,
+@warn-color: @colortheme_kanban-warn,
+@color: @colortheme_kanban-color);
 
 // body
 &.cp-app-kanban {