Remove unnecessary position rule for .jumbotron
Add form to alphabet partial
Add [disabled] to letters in letters partial

When a letter is correct or incorrect, disable the button.
Add letters and solutions to puzzle partial include

Add HTML comment containing session information and solution
Add play post route to routes

The route accepts the submits from buttons during play
Add logic to play method for returning player

Use Session to get existing game
Use Input to get submitted letter
Format return statement in play method
Add play again and reset functionality

Add play again and reset buttons to play page
Add play again and reset routes to routes
Add play again and reset methods to GameController
I waited too long to commit Hangman

Here it is.
Add fill solution to puzzle partial

When a character has been solved, put it in the puzzle section