*{box-sizing:border-box;margin:0;padding:0}body{background:var(--tg-theme-bg-color,#fff);color:var(--tg-theme-text-color,#000);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}#root{min-height:100vh}button{cursor:pointer;transition:opacity .2s}button:hover{opacity:.9}