body {
  /* leave it to hide the scrollbars */
  overflow: hidden;
  padding: 0;
  margin: 0;
}

#p5-container {
  padding: 0;
  margin: 0;
}

canvas {
  padding-left: 0;
  padding-right: 0;
  margin-left: auto;
  margin-right: auto;
  display: block;
}