An "factor" is one Element of a webpage. Some elements are massive and maintain lesser elements like containers. Some features are compact and are "nested" inside of bigger kinds. By default, "inline features" seem beside one another in the webpage.B??c 4: Th?c Hello?n ki?m tra l?i giao d?ch. Sau khi ng??i ch?i ?ã ?i?n t?t c??thông tin theo yêu