<!DOCTYPE html> <html class="reftest-wait"> <!-- Test: if input is valid and its checkedness hasn't changed, it should not be affected by :-moz-ui-valid pseudo-class. --> <link rel='stylesheet' type='text/css' href='style.css'> <body onload="if (document.getElementById('i').matches(':-moz-ui-valid')) { document.body.textContent='FAIL'; } else { document.body.textContent='SUCCESS'; } document.documentElement.className='';"> <input id='i' type='checkbox'> </body> </html>