If you're handy with dabbling in HTML and CSS, then you're probably already aware of bootstrap.
It works great with our landing pages.
All you need to do is add the bootstrap JS and CSS tags to your site code (usually in the site-layout file in between the <head> and </head> tags.
You can find more information on how to use bootstrap on their website.
https://getbootstrap.com/docs/4.0/
The following page gives good examples on how to use bootstrap forms:
There are also some fantastic resources out there with example themes such as Bootswatch:
If you want further assistance with bootstrap, you can always get in touch with us, or even commission us to create a custom template or landing page for you.