html,body{ margin: 0; padding: 0; } .pagebox{ position:relative; }::-webkit-input-placeholder { font-size: 16px !important; color：#333; } :-moz-placeholder { font-size: 16px !important; color：#333; } ::-moz-placeholder{ font-size: 16px !important; color：#333; } :-ms-input-placeholder { font-size: 16px !important; color：#333; }