What does the btn Class do in Bootstrap?

The btn class in Bootstrap serves as a fundamental building block for styling buttons. It provides a consistent and visually appealing design for buttons across your website.

<button class="btn btn-primary">Click me</button>

• Basic Styling: The btn class imparts basic styling to the button, ensuring a standardized appearance.
• Color Variants: Combining with additional classes like btn-primary or btn-danger allows you to apply different color variants to buttons.
• Size Options: Bootstrap’s btn the class supports size modifiers such as btn-lg or btn-sm for adjusting the button’s dimensions.
• Responsive Design: Buttons styled with the btn class are designed to be responsive, maintaining a cohesive look on various devices.