Reply To: Calendar or Search Function ???

1. You’re the first asking for it. I don’t think that information would help other users, what you attempt is not usual.
3. Did you found the shortcode creator in the post/page editor? It’s a button with a red e in it. You can add the shortcodes and see all their settings here. Maybe look at the demo.easyreservations.org on how they are intended to work together and how the shortcodes are. The beta will come tomorrow.
4. Again it’s just to specific. That’s really nothing you put in a documentation as I could never pretend which styles someone wants to change. There’s a standard look and if someone wants to change it he needs to know a bit css. Just a list with selectors wouldn’t help and I won’t start teaching css.