Bootstrap CSS Buttons Reference
Button Colors
Button Sizes
Active/Disabled Buttons
Block-level Button
Button Classes
The classes below can be used to style any <a>, <button>, or <input> element:
| Class | Description | Example |
|---|---|---|
| .btn | Adds basic styling to any button | Try it |
| .btn-default | Indicates a default/standard button | Try it |
| .btn-primary | Provides extra visual weight and identifies the primary action in a set of buttons | Try it |
| .btn-success | Indicates a successful or positive action | Try it |
| .btn-info | Contextual button for informational alert messages | Try it |
| .btn-warning | Indicates caution should be taken with this action | Try it |
| .btn-danger | Indicates a dangerous or potentially negative action | Try it |
| .btn-link | Makes a button look like a link (will still have button behavior) | Try it |
| .btn-lg | Makes a large button | Try it |
| .btn-sm | Makes a small button | Try it |
| .btn-xs | Makes an extra small button | Try it |
| .btn-block | Makes a block-level button (spans the full width of the parent element) | Try it |
| .active | Makes the button appear pressed | Try it |
| .disabled | Makes the button disabled | Try it |

