*{box-sizing:border-box}html,body{color:#111;overscroll-behavior:none;touch-action:manipulation;-webkit-text-size-adjust:100%;background:#efefef;min-height:100%;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}body{-webkit-user-select:none;user-select:none}a,button{-webkit-tap-highlight-color:transparent}img{max-width:100%;display:block}button{font:inherit}