:root {
  --width: 250px;
}

section {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  -webkit-box-pack: center;
          justify-content: center;
}

div {
  color: white;
  font-family: Operator Mono Ssm, Andale Mono, monospace;
  font-size: 0.8rem;
  text-align: center;
  margin: 1rem;
}

canvas {
  display: block;
  height: auto;
  margin: 0 auto;
  width: var(--width);
}

body, html {
  height: 100%;
  background: #111;
}