Thanks for the heads up, our landing page is not 100% ready that's for sure :) What's the screen size of the device you're using so we can reproduce it?
The app which lives at https://gdpr.kippie.co should be but will check on that too just in case and fix any errors now.
I think the issue is that your hero section has a style of "width: 110vh", so it's 110% the height of the user's screen. On a browser that's set to fullscreen on a typical 16:9 aspect ratio monitor that will look fine, but when you've got a fancier set up that means you don't use fullscreen windows it breaks.
The console has a couple of errors;
This site was not ready to launch.