*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0f172a;
  color: #f1f5f9;
  overflow: hidden;
}

.app {
  position: relative;
  width: 100vw;
  height: 100vh;
}
