Service center tabs

[lukefretwell]

@aschmoe @kevindherman I've seen a few instances where the secondary tabs on the service don't have great accessibility contrast. I think we should standardize these to be a light grey background with text the primary colors.

Website: https://www.rutherfordton.net/

Example of how it's 'breaking':

[kevindherman]

@lukefretwell I added this to the project to make sure it's part of the dev review conversations.

[aschmoe]

@kevindherman @lukefretwell this particular instance actually passes:

https://webaim.org/resources/contrastchecker/

[aschmoe]

If we can find one that doesn't pass, lets try to get it right