html, body {
    margin: 0;
    padding: 0;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background-color: black;
  }
  
  canvas {
    display: block;
    margin: auto;
  }

#description {
    color: #666;
    margin: 20px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
  }