body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: #fff; /* optional: change background if needed */
}

#canvasContainer {
  display: flex;
  align-items: center;
  justify-content: center;
}

#myCanvas {
  display: block;
  max-width: 100%;
  max-height: 100vh;
}