There is a theme attr, android:buttonStyle that we can use to unify the button UI. This article [1] mentions the "Widget.AppCompat.Button.*" style we can use as a base style. In particular, AppCompat capitalizes all of the text in Buttons. This may be undesired and we can override it in the theme with `android:textAllCaps`. bug 1220309 will likely add a workaround in remote_tabs_setup that we should remove if it moves to the base style. We should also check for other work arounds. [1]: http://manuel-ohlendorf.de/blog/2015/09/03/material-design-buttons-with-appcompat/

I think we should look at this more holistically. That is, where else in our UI does this formatting affect? These buttons are designed only for our about:home view right now. If we're just talking about the about:home panels, then I'd like to go back to sentence casing because right now, it looks too much like we're yelling at the user.

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