Customizable design on Firefox

[Mozilla2048]

Hello,
I'm not saying I don't like the current Firefox design, but maybe some would like to be able to customize the tab bar/icon style/bookmark bar/context menu more than just light/dark and color/image. Maybe some would love a Chrome-like design or even an IE-like design. I don't know if it's a good idea but maybe we could add a setting to choose the design, like this:

Different designs of the tab bar

Who knows, maybe some rounded corner haters would even want it to look like this 😆

Netscape mode         Nostalgia mode

[Jon]

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