Use HubSpot’s advanced options for CTAs to create highly customized CTA buttons that fit perfectly with your website theme. You can use a custom CSS class to support custom class inputs from your stylesheet or add custom CSS directly to the button CTA.
To further customize your button CTA, learn how to edit your CTA size. If you're adding your button CTA to an email or template, learn how to center your CTA.
Please note: custom styles can only be applied to custom buttons and not image buttons.
To add a custom style to your button CTA:
In the right panel, scroll down and click Advanced options.