How to create new subscription box?

Hi, I am trying to create new subscription box something like this

How do I do that for this page right at the top?

Here is my site Read-Only: [LINK](Webflow - Azibo marketing site)
(how to share your site Read-Only link)

Hey! All you need is an email form - here’s a free resource that could help you → Send Email From Lead Capture To Signup Form - Webflow