I didn't realise that clicking on the purple 𝘀𝗰𝗿𝗼𝗹𝗹 button in #FireFox Developer Tools would highlight which elements are causing the overflow. Nice feature @FirefoxDevTools . I also like using the grey 𝗲𝘃𝗲𝗻𝘁 button.

@real_ozcoder @FirefoxDevTools Do your class names contain some nuclear launch codes or something? 😅😁