One of the ways you can customize Windows 11 is by making the taskbar transparent, and, to some extent, you can do this ...
On Windows 11, desktop elements like the Taskbar, Start menu, and certain apps, such as the Settings app, use a new transparent base layer featuring the Mica material from the Microsoft Fluent ...
Make your taskbar transparent easily by toggling Transparency Effects in Settings on Windows 11. You can hide it completely ...