html, body {
   background-color: lightsteelblue;
  height: 100%;
  width: 100%;
}

h2 {
  border: 1px solid black;
  background-color: white;
  margin-left: 900px;
  margin-right: 900px;
}

canvas{
  background-color: white;
  border: 3px black;
}

h3{
  margin-left: 800px;
  margin-right: 800px;
}