:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000000;
  background-image:
    radial-gradient(circle at center, #000000 0%, #020914 44%, #041a33 100%),
    radial-gradient(circle, rgba(224, 244, 255, 0.5) 0 1px, transparent 1.3px),
    radial-gradient(circle, rgba(170, 205, 230, 0.34) 0 0.8px, transparent 1.1px);
  background-size:
    auto,
    150px 150px,
    230px 230px;
  background-position:
    center,
    0 0,
    68px 92px;
  overflow: hidden;
}

.game-shell {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

#game {
  width: min(100vw, calc(100vh * 1.428571));
  height: min(100vh, calc(100vw * 0.7));
  max-width: 100vw;
  max-height: 100vh;
  background: radial-gradient(circle at center, #000000 0%, #020b18 46%, #052142 100%);
}

canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  background: transparent !important;
  image-rendering: crisp-edges;
}