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The top bar including tabs and the address bar is twice the size of chrome and explorer. How do I reduce the size of the UI?

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No theme addons used. The tab/address bar takes ~15% of the vertical space on the screen. How do I reduce the size of the UI without affecting other applications?

No theme addons used. The tab/address bar takes ~15% of the vertical space on the screen. How do I reduce the size of the UI without affecting other applications?

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Can you attach a screenshot?

You can try a different theme and density via customization mode.