* {
  box-sizing: border-box;
  text-align: center;
}

body {
  background-color: slategrey;
}

img {
  height: 350px;
}

h1 {
  background-color: lightblue;
  text-align: center;
  padding: 30px 30px 30px 30px;
  color: #666;
}

h2 {
  background-color: lightgreen;
  text-align: center;
  padding: 30px 30px 30px 30px;
  color: #666;
}

h3 {
  background-color: lightpink;
  text-align: center;
  padding: 30px 30px 30px 30px;
  color: #666;
}

header img {
  border: none;
}

section img {
/* display: inline-block; */
text-align: center;
border: 5px solid black;
}

canvas {
  width: 1600px;
  float: center;
  margin: 0 auto;
}