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And, in general, how can I control the size of the firefox window?

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The Firefox window has become bigger, even before I clicked "full screen." So again, how do I control the size of the window/screen?


This happened

Every time Firefox opened

The Firefox window has become bigger, even before I clicked "full screen." So again, how do I control the size of the window/screen? == This happened == Every time Firefox opened

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when opening a link within a window, I want it to open smaller so I can see the window behind it. How can I control that?