%body#comfy.theme.theme--cms{:class => "c-#{params[:controller].slugify} a-#{params[:action].slugify}"}
  .l-app
    = render 'comfy/admin/cms/partials/body_before'
    = render :partial => 'layouts/comfy/admin/cms/nav_main'
    = render :partial => 'layouts/comfy/admin/cms/nav_secondary'
    / = render :partial => 'layouts/comfy/admin/cms/right'
    = render :partial => 'layouts/comfy/admin/cms/main'
    = render :partial => 'layouts/comfy/admin/cms/footer'
    = render :partial => 'layouts/comfy/admin/cms/footer_js'

%body#comfy.theme.theme--cms{:class => "c-#{params[:controller].slugify} a-#{params[:action].slugify} lang-#{@site.label}"}
  .l-app
    = render 'comfy/admin/cms/partials/body_before'
    = render :partial => 'layouts/comfy/admin/cms/nav_main'
    = render :partial => 'layouts/comfy/admin/cms/nav_secondary'
    / = render :partial => 'layouts/comfy/admin/cms/right'
    = render :partial => 'layouts/comfy/admin/cms/main'
    = render :partial => 'layouts/comfy/admin/cms/footer'
    = render :partial => 'layouts/comfy/admin/cms/footer_js'

Add lang helper class to body
Add lang helper class to body
