html,
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  background-color: #221E26;
  font-family: "Lucida Console", "Courier New", monospace;
  color: #DE9726;
  font-size: 1.2rem;
}
canvas {
  display: block;
}