Selected a common theme - but it doesn't appear to be working. I can't see a preview of it and even when I activated it - then clicked on the button to visit the site, I got this message
This site is under development
This page indicates the webmaster has not uploaded a website to the server.
For information on how to build or upload a site, please visit your web hosting company's site.
I am not a technology wizard -- so please, laymans terms