:root {
  --bg: #0b1020;
  color-scheme: dark;
}

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

html,
body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
}

/* The canvas is letterboxed in the middle of the window (see engine/screen.js). */
body {
  display: grid;
  place-items: center;
  height: 100dvh;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

canvas {
  display: block;
  outline: none;
}