*{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}body,html{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;background:#0f172a;color:#fff}button{min-height:44px;min-width:44px;cursor:pointer}