Use the btn class to show the default button style.

Use btn-outline- class with the below-mentioned variation to create a button with the outline.

Use the rounded-pill class to make a rounded button.

Use btn-subtle- class with the below-mentioned variation to create a button with the subtle background.

Use btn-ghost- class with the below-mentioned variation to create a button with the transparent background.

Use bg-gradient class to create a gradient button.

Use btn-label class to create a button with the label.

Example of loading buttons.

Example of toggle buttons.

Bootstrap has a base .btn class that sets up basic styles such as padding and content alignment. By default, .btn controls have a transparent border and background color, and lack any explicit focus and hover styles.

<button type="button" class="btn">Base class</button>

You can even roll your own custom sizing with CSS variables:

Use btn-lg class to create a large size button and btn-sm class to create a small size button.

Use w-xs,w-sm,w-md,w-lg class to make different sized buttons respectively.

Use btn class with different HTML elements. (though some browsers may apply a slightly different rendering)

Use data-bs-toggle="button" to toggle a button’s active state.

Use d-grid class to create a full-width block button.

Combine button-like checkbox and radio toggle buttons into a seamless looking button group.

Use the btn-group class in the parent class to wrap a series of buttons.

Use btn-icon class to wrap icon in button

Use btn-toolbar class to combine sets of button groups into more complex components.

Use btn-group- class with the below-mentioned variation to set the different sizes of button groups.

Make a set of buttons appear vertically stacked .Split button dropdowns are not supported here.

Click directly on the link below to see the focus ring in action, or into the example below and then press Tab.

In addition to .focus-ring, we have several .focus-ring-* utilities to modify the helper class defaults. Modify the color with any of our theme colors. Note that the light and dark variants may not be visible on all background colors given current color mode support.