Input fields visible at all times

You can add a parameter to the shortcode:
[gwolle_gb button="false"]

Great, that worked. Thank you :]

1 more thing, the number of entries text and “no more entries”, how can they be removed?

This CSS code should do that.
You can add it through Appearance > Customizer > Custom CSS.

#gwolle-gb-total {
    display:none;
}

Thank you, that worked. Just one tiny thing left before it’s perfectionized. Now there is a cut off box appearing for a few seconds while, then it vanishes. Here is a screenshot of it: https://www.smartpost.ws/guestbook.jpg

Any idea how to remove it, or make it invisible by setting color to white maybe? Couldn’t figure out what code that makes it appear

I think it has to do with just one entry being available. When you have more entries, and you are not scrolled to the bottom of the page, you will not see it.

It is there for infinite scroll. When you reach the bottom of the page, it becomes visible shortly, while it is trying to fetch more entries.

Aha aha, set it to pageination instead of infinite scroll, then it vanished. All good now, thanks for great support :]