There is nothing in pages.go, but I see this in app.go:

pageMap := pages.MakeRoutes().WithRecursive(true).WithClean(true).Map()

So why does pages package has method "MakeRoutes" ?
And one more question: what role does pages.go play in this project ?

I had seen many "notclick" in your html a tag. But what does it means?

Here is what the hero button looks like on firefox:

Notice the lack of padding between the button and the edge of the hero:

For reference, here is how it is supposed to look:

The hamburger icon that shows up on smaller screens isn't doing anything.

Tested on the latest version of Safari on iOS and desktop Chrome version 75.0.3770.90