Tab Container Rectangle Behind Active Tab

Using 8.1.44, I have a tab container using classic menu type and I have what seems like a white rectangle behind my active tab I can’t seem to get rid of

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If I change the color of my active tab or the whole component the rectangle stays the same

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Any ideas?

Open it in developer tools in your web browser, it looks like your CSS styles have added a fill to the radius curve that has appeared on the wrong side of the curve.

I removed all my classes and it’s still there, although not visible becuase it is the same color as the inactive tabs. Looking in developer options I see:

I checked another tab container on another view and its there as well, I just never noticed it because it was the same color as the inactive tab

Here is my tab in the Elements inspector

Maybe some of those classes are set in my stylesheet, I’ll dig deeper