Add basic styling for flash messages

[tvojnar]

bEtsy

Congratulations! You're submitting your assignment! These comprehension questions should be answered by all members of your team, not by a single teammate.

Comprehension Questions

Question	Answer
How did your team break up the work to be done?
How did your team utilize git to collaborate?
What did your group do to try to keep your code DRY while many people collaborated on it?
What was a technical challenge that you faced as a group?
What was a team/personal challenge that you faced as a group?
What could your team have done better?
What was your application's ERD? (include a link)
What is your Trello URL?
What is the Heroku URL of your deployed application?