TutorialKart
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <style> input:placeholder-shown { border: 2px solid red; } input:not(:placeholder-shown) { border: 2px solid green; } </style> </head> <body> <input type="text" placeholder="Enter text"><br><br> <input type="text"> </body> </html>
