A.原因不明B.瀏覽器不支持該屬性C.屬性設(shè)置錯(cuò)誤D.拼寫錯(cuò)誤
A.background-color:linear-gradient(to right,blue,yellow);B.background:linear-gradient(to left,blue,yellow);C.background-color:linear-gradient(to left,yellow,blue);D.background:linear-gradient(to right,blue,yellow);
A.:disabledB.enabledC.::selectionD.read-only