body {
  background-color: #f8f8f8;
  font-family: Roboto, Sans-serif;
  text-align: center;
}

canvas {
  width: calc(100% - 6px);
  max-width: 1024px;
  max-height: 800px;
  background-color: #fefefe;

  border-radius: 25px;
  box-shadow: 3px 3px 6px #888888;
}