body {
  font-size: 1.5em;
  font-family: sans-serif;
  max-width: 80%;
  margin: auto;
}

h1, h2, h3, h4, h5 {
  text-align: center;
}

img {
  max-width: 500px;
  width: 100%;
  margin: auto;
  display: flex;
}

blockquote {
  padding: .25em 1em;
  background: lightblue;
}