You can write custom CSS codes and external scripts to solidify the appearance of your sales pages.
To access these global settings, go to WooFunnels ⇨ Settings ⇨ Sales Pages.
Paste or write your custom CSS code here:
Paste or write your external JS scripts here:
Once you've added these codes, click on the Save Changes button to lock all the modifications you made.
These custom codes and scripts will get visible on your sales page.
These are all the settings you can configure for your sales page in WooFunnels.