Marketo makes it easy for you to customize the look and feel of your forms. One thing you may want to do is change the font size. Here's how.
This setting impacts the form label, the input text, and the submit button text.
1. Go to Marketing Activities.
2. Select your form and click Edit Form.
3. Under Form Settings, Select Settings.
4. Select the Font Size you want.
5. Click Finish.
6. Click Approve and Close.
The form must be approved to be used on landing pages.
Remember to approve the landing page draft created by the form changes.