It seems like you're asking for a solution where the taskbar at the bottom of the desktop doesn't display open web pages. There are a few ways to achieve this, depending on your operating system and preferences.

One way to accomplish this is by using a feature built into most operating systems called "Auto-hide taskbar." Here's how to enable it on different platforms:
Windows:
1. Right-click on an empty space on the taskbar.
2. Select "Taskbar settings."
3. In the Taskbar settings window, toggle on the switch labeled "Automatically hide the taskbar in desktop mode."
With this setting enabled, the taskbar will disappear when you're not actively using it, and it will only appear when you move your cursor to the bottom of the screen.
macOS:
1. Open System Preferences.
2. Click on "Dock & Menu Bar."
3. Check the box next to "Automatically hide and show the Dock."
Once this option is enabled, the Dock (equivalent to the taskbar in Windows) will disappear when not in use, and it will reappear when you move your cursor to the bottom of the screen.
Linux (GNOME):
1. Open Settings.
2. Click on "Dock."
3. Toggle on the switch labeled "Auto-hide the Dock."
Similar to other operating systems, enabling this option will make the Dock disappear when not in use and reappear when you move your cursor to the bottom of the screen.
By enabling the auto-hide feature, the taskbar or dock will no longer display open web pages unless you actively move your cursor to the bottom of the screen, providing a cleaner desktop interface.

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