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The top 2 lines of my web pages including tabs and address line disappear. How can eliminate that "option"?

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The top 2 lines of my web pages including tabs and address line disappear. How can eliminate this "option"?

The top 2 lines of my web pages including tabs and address line disappear. How can eliminate this "option"?

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Screenshot?

See this support article. How do I create a screenshot of my problem? It is best to use a compressed image type like PNG or JPG to save the screenshot and make sure that you do not exceed a maximum file size of 1 MB.

Then use the Browse .... button below the Post a Reply text box to upload the screenshot.


Or could it be that you hit the F11 key? For Fullscreen mode. https://support.mozilla.org/en-US/kb/how-make-firefox-and-websites-go-full-screen