A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Select all the column ranges to highlight first, then go to Format|Conditional Formatting and select Formula Is from the drop down and enter formula:
=LEFT($B1,14)="Employee Group"
This assumes you select from Row 1 downwards... Note: the formula will automatically update for the remaining rows in your selection.
Then click Format and choose colours from the Pattern tab