html,body{min-height:100%;margin:0}body{font-family:Arial,Helvetica,sans-serif;background:#f8fafc;-webkit-text-size-adjust:100%}*{box-sizing:border-box}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:rgba(29,78,216,.18)}img,iframe{max-width:100%}@media(max-width:640px){input,select,textarea{font-size:16px}}