Update Tab CSS to be more distinct

[AmandaGlover-PM]

Overview

REPLACE THIS TEXT - Text here that clearly states the purpose of this issue in 2 sentences or less.

Action Items

REPLACE THIS TEXT - If this is the beginning of the task this is most likely something to be researched and documented.

REPLACE THIS TEXT - If the issue has already been researched, and the course of action is clear, this will describe the steps. However, if the steps can be divided into tasks for more than one person, we recommend dividing it up into separate issues or assigning it as a pair programming task.

Resources/Instructions

REPLACE THIS TEXT - If there is a website that has documentation that helps with this issue provide the link(s) here.

[trillium]

Pull request #1228 resolves this issue