* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #000;
}

body {
  font-family: "Nunito", sans-serif;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 0;
  background: #000;
}

.game-canvas {
  display: block;
  width: min(100vw, calc(100vh * 2.1666667));
  height: min(100vh, calc(100vw / 2.1666667));
  background: #000;
  touch-action: manipulation;
}