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How to view pdf with dark background in the default pdf viewer on the firefox browser

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  • Last reply by Hellf0rg0d

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Hey, i recently came across this post

https://support.mozilla.org/en-US/questions/1434510#:~:text=I%20view%20a%20lot%20of,viewer%20to%20black%2Fdark%20gray.

and i couldn't figure out how to do it. if anyone can tell me steps on how to do it i'll be glad.

thanks.

Hey, i recently came across this post https://support.mozilla.org/en-US/questions/1434510#:~:text=I%20view%20a%20lot%20of,viewer%20to%20black%2Fdark%20gray. and i couldn't figure out how to do it. if anyone can tell me steps on how to do it i'll be glad. thanks.

All Replies (2)

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Paste the code into a text file and save it to <profile>/chrome/userContent.css. Change toolkit.legacyUserProfileCustomizations.stylesheets to true in about:config then restart the browser.

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zeroknight said

Paste the code into a text file and save it to <profile>/chrome/userContent.css. Change toolkit.legacyUserProfileCustomizations.stylesheets to true in about:config then restart the browser.

Thanks for replying! the "/chrome" directory doesn't exist in my profile directory i tried saving it as userContent.css under my profile directory restarted it and it didn't work.