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Selector trong CSS3
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Học CSS3 toidicode.com</title> </head> <style type="text/css" media="screen"> input:checked{ height: 50px; width: 50px; } </style> <body> <form action=""> <input type="text" placeholder="Nhap ho ten" > <input type="number" placeholder="Nhap so dien thoai" disabled=""> <input type="checkbox" checked="">Nam <input type="checkbox" >Nũ <input type="radio" checked="">Đổng ý <input type="radio" >Không Đổng ý <input type="submit" value="Gửi"> </form> </body> </html>
