Hello,
Please provide temporary wp-admin access. Create an account via Dashboard (Users > Add new) with administrator role http://prntscr.com/s3rc9m > provide us with username and password via the Private Content area. You can use any email for it.
…but when I work on the backend all still in orange
– please provide screenshots. Have you cleared cache of browser and CDN cache? You can use Lightshot screenshot or Gyazo tool to share links to your screenshots
Regards