* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    height: 100vh;
    display: grid;
    place-items: center;
    background: hsl(0, 0%, 96%);
    overflow-y: hidden;
  }
  
  .canvas {
    width: 70vmin;
    height: 70vmin;
    background: hsl(0, 0%, 100%);
  }