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

body {
  background: #04050e;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: monospace;
}

#game {
  display: block;
  border: 1px solid #1a1c38;
  max-width: 100%;
}