body {
  background-color: lightblue;
}

h1 {
  color: navy;
  margin-left: 20px;
}
img {
  margin-left: 2%;
  margin-right: 2%;
  margin-top: 4%;
  width: 15%;
  min-height: 20%;
}
div {
  display:block;
  margin-left: auto;
  margin-right: auto;
  width:80%;
}