<!DOCTYPE html> <html> <!-- Test: if input is of reset type, it is barred from constraint validation and should not be affected by :valid pseudo-class. --> <link rel='stylesheet' type='text/css' href='style.css'> <body> <!-- Setting value to the empty string let us check against input-button-ref.html --> <input class='notvalid' type='reset' value=''> </body> </html>