h1, h2 {
    text-align: center;
  }

  #container {
    display: grid;
    grid-template-columns: 1fr 1fr; 
  }

  .canvas-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  canvas {
    border: 2px solid black;
  }