teenyenbainet

css chính : body { background-color:#ffffff; color:#000000; font-family:Arial; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; margin: auto; max-width: 600px; border-style:solid; border-top-width:1px; border-left-width:1px; border-right-width:1px; border-bottom-width:1px...