What OS? What Desktop? What version of Firefox? What site(s) are you seeing this issue on? X11 or Wayland? Did you try with Firefox in Safe Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf Try downloading Firefox from Mozilla. Download, unzip, and run firefox-bin from the folder and see if you have the same issue. https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

OS - Ubuntu 20.04.5 LTS HP-Laptop Probook Firefox version - 108.0.1 Working on company project

I have attached two images below first one is of firefox and second one is of chrome Even the code is also same but why only in the firefox browser i am facing this issue

The screenshots are not helpful... Can we access the video to see if we have the same issue. You mentioned code... what code are you referring to? Is this something that you're working on and it's not working the way you want in Firefox and you're saying it's a browser issue??? X11 or Wayland? Try downloading Firefox from Mozilla. Download, unzip, and run firefox-bin from the folder and see if you have the same issue. https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

Operating System: openSUSE Tumbleweed 20221228 KDE Plasma Version: 5.26.4 KDE Frameworks Version: 5.101.0 Qt Version: 5.15.7 Kernel Version: 6.1.1-1-default (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Xeon® CPU E3-1535M v6 @ 3.10GHz Memory: 62.2 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics P630 Manufacturer: HP Product Name: HP ZBook 17 G4

You update your OS to Ubuntu 22.04.1 to see if that helps.