*,:before,:after{box-sizing:border-box}html,body{-webkit-text-size-adjust:100%;background:#f5f5f5;margin:0;padding:0;font-family:Arial,sans-serif;overflow-x:hidden}input,select,textarea,button{font-family:inherit;font-size:16px}button{-webkit-tap-highlight-color:transparent}img{max-width:100%}