Show the different styles of buttons.

Bootstrap provides different styles of buttons:
To achieve the button styles above, Bootstrap has the following classes:

• .btn
• .btn-default
• .btn-primary
.btn-success
• .btn-info
.btn-warning
• .btn-danger
• .btn-link
• STRUCTURE OF THE
• Basic, Default,Primary, Success, Info, Warning, Danger,Link

• Example

  <button type="button" class="btn">Basic</button>
•  <button type="button" class="btn btn-default">Default</button>
•  <button type="button" class="btn btn-primary">Primary</button> 
• <button type="button" class="btn btn-success">Success</button>
•  <button type="button" class="btn btn-info">Info</button>
•  <button type="button" class="btn btn-warning">Warning</button>
•  <button type="button" class="btn btn-danger">Danger</button>
•  <button type="button" class="btn btn-link">Link</button>