Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <style> input[type="text"]:enabled { background:#ffff00; } input[type="text"]:disabled { background:#dddddd; } </style> </head> <body> <form action=""> First name: <input type="text" value="Mickey" /><br> Last name: <input type="text" value="Mouse" /><br> Country: <input type="text" disabled="disabled" value="Disneyland" /><br> </form> </body> </html>
Result:
W3Schools.com - Try it yourself