Bootstrap
The most popular and easy to use set of css and javascript to make your apps look professional.

• Bootstrap is an open source front-end framework
• It came from Twitter, and used to be caleld “Twitter Bootstrap” but now it is its own open source project, and is called just “Bootstrap”
• It consists solely of css, javascript, some images, and some fonts

Look at code for Bootstrap

• Look at Bootstrap
• Look at Bootstrap Demo Github
• Not using any gems for now!!
• Why is most of the Bootstrap setup in application.html.erb?
• Where else do we see bootstrap?