You can customize the look and feel of your landing and thank you pages by adding in custom CSS.
Follow these steps in order to do this:
VYPER 2.0 METHOD
1.) Make sure that Landing Page is selected from the display mode
Afterward, if you click on Sign Up (Viewing) this will allow you to edit your sign up page. If you click on Thank You this will allow you to edit your thank you page.
Everything is now in real-time and WYSIWYG (what you see is what you get).
VYPER 1.0 METHOD
1.) Go to the Design section of your contest:
2.) On the left side go to, "Additional CSS:"
3.) Here you can add in your custom CSS code. If you want to target the button, the class is, "vyper-lrg-button"