How To Theme Groups: I'd like to share with you all with this tip. Example is  here. I changed only background in group.And so:1. You will need program: Notepad.2. Create new file. Add all your layout code to new file.3. Save as:  title.css. Remember !!! File must be .css.4. Now you must host your file. Host it for example to comment box - don't save it, only copy the url file.5. Edit text box in…