@Sandra Lawrence As @Kristian Klima mentioned, you cannot do this without an app.
As an alternative, I generally set a background color for the cells to set them off visually.
That is not possible out of the box.
Having said that, there might be some options.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
Online forums and learning are now in one easy-to-use experience.
By continuing, you accept the updated Community Terms of Use and acknowledge the Privacy Policy. Your public name, photo, and achievements may be publicly visible and available in search engines.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.