Jotform gives you a wide variety of ways to customize how a CSS form is rendered. An example of customization can be found in this guide: Customize your Form using Custom CSS Codes. In this guide, you’ll learn how to inject custom CSS codes into the form.
1. In the form builder, click the Form Designer icon.
2. Click on the Styles tab, scroll down a bit, and paste the code in the Inject Custom CSS area.
3. Make sure to click on the Save button.
Related Guide: How to Inject CSS Codes to Widgets.