This is the work around from benmarshall css trick which I can't get to work. Finally got the iframe below to disappear on screens smaller than 600 wide. And a small iframe to display for mobile only.

Using only div tags. yeah! Nice and clean and responsive

Sales

Sales to Active ratio

This layout is using old school HTML tables. Although it works, it is not a good idea to dictate page layout using tables, or so I have been told.