Good catch - You can probably tell which parts I took from Microsoft Windows User Experience [0] and which I built while eyeing my VM.
Unsure why there's a discrepancy. You're probably right re: taskbar buttons.
https://i.imgur.com/dxOYj2Y.png https://i.imgur.com/X3DJ50T.png
[0] https://www.amazon.com/Microsoft-Windows-Experience-Professi...