body {
  height: 100%;
  background-image: url("background.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  color: #eee;
  background-color: #222;
  padding: 1em;
  font-family: 'Fira Code', monospace;
}

img.header {
  max-width: 80%;
}

img.cowboy {
  max-width: 60%;
}
img.jason {
  max-width: 80%;
}