Bootstrap has many predefined button styles, and each button reflects either a message to the user or an action to be performed.

 

The different button styles are:-

  • Primary
  • Success
  • Danger
  • Warning
  • Info

 

Classes for buttons are as follows:-

  • .btn-default
  • .btn-primary
  • .btn-success
  • .btn-info
  • .btn-warning
  • .btn-danger
BY Best Interview Question ON 24 Jan 2019