body {
  background-color: #404040;
}
h1 {
  color: white;
  background-color: red;
  position: sticky;
  width: 20%;
  border-radius: 20px;
  text-align: center;
  justify-content: left;
}
h2 {
  color: white;
  background-color: red;
  position: sticky;
  width: 20%;
  border-radius: 20px;
  text-align: center;
  justify-content: left;
  margin-top: -21px;
}
canvas {
  display: block;
  position: absolute;
  margin: 30px;
}