:root {
  color-scheme: dark;
  background: #10141b;
  font-family: Arial, "Malgun Gothic", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #10141b;
}

#surface {
  display: block;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: #10141b;
}
