Update CSS for turns
Add Game foreign key to Gifts
Show only gifts for current game
Add Postgres to Gemfile
add .env to .gitignore
Use Unicorn via Procfile
Add bootstrap
Add timer and font
Add timer
Change timer background on countdown
Update banner
Redirect player and gift edits to game
Move flash notices
Precompile assets
Precompile assets
Precompile assets
Change banner background when time runs out