Are you looking for Login Background Sign in? or searching for Login Background sign in then here are the official links provided below including resources.
If you want to Login Background, log in or sign up, create Login Background account then check below result given from where you can access official resources.
After opening official portal just provide your current credential like username, email id and enter your password for login Login Background.
You can create an account or reset the password by clicking the recover/reset password button.