Discuss buttons in Bootstrap?

Bootstrap provides us with different classes that can be used with different tags, such as <button>, <a>, <input>, and <label> to apply custom button styles. Bootstrap also provides classes that can be used for changing the state and size of buttons, also, it provides classes for applying toggle, checkbox and radio buttons like effects.

Solid Buttons: Bootstrap provides us a series of classes that corresponds to different solid button styles. These classes are listed below:

btn-primary        btn-secondary        btn-success

btn-danger         btn-warning       btn-info

btn-light               btn-dark              btn-link

Note: We must use additional btn class with the classes mentioned above and that follows.