Custom themes allow you full survey customization. You can change the look and feel for every element of the survey completely to match your brand.
Go to: Surveys (Select Survey) » Edit » Design
Select the Customize option for your Survey Layout.
Yes. CSS customization gives you full control over the design of your survey.
Switch on the toggle for Custom CSS under Customize. Here, you can modify the CSS elements and save to customize the theme of your survey.This feature is available with the following licenses :