Example 9: Custom CSS Classes

Adding custom CSS classes to personalize button appearance.

Custom Styling

Add your own CSS classes to customize button appearance beyond Bootstrap defaults.

Button with Gradient

Button with Rounded Corners

Button with Animation

Button with Multiple Classes

Code Example


// Add custom CSS classes
$buttonHtml = $sdk->createCheckoutButton(
    $request,
    "Pay",
    "primary",
    "large",
    ["my-custom-class-1", "my-custom-class-2", "my-custom-class-3"]
);