body {
  background-color: bisque;
  margin: 20px;
}
h1 {
  text-align: center;
}
p {
  text-align: center;
}

footer a {
  color: green;
}

a:visited {
  text-decoration: none;
}

footer {
  text-align: center;
}

img {
  display: block;
  max-width: 800px;
  margin: 0 auto;
}