Setting contentInset instead of sectionInset
Source formatting
Create ImageAlertViewCell
Load ImageCardViewCell
Replacing cardViewContainer by TextCardView in TextAlertViewCell
Creating layout for ImageAlertViewCell
Create image gradient
Setting overlay color
Download image
Resize image with width larger than the screen
Create image background
Create SingInViewController
Show SingInViewController when application starts
Saving credentials in NSUserDefaults
Creating SignInOperation
Pushing MainViewController after signing in
Removing unnecessary code from SigninViewController
Source formatting
Sign In layout
Show keyboard when login screen appears