* {
  font-family:  -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  display:flex;
  min-height:100vh;
  justify-content: center;
  align-items: center;
  font-size:10vmin;
  margin:0
}

canvas {
  border:2px solid black;
  box-shadow: 2px 2px 0 black;
  border-radius:4px
}