html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
}

body {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem;
}

footer {
  margin-bottom: 3rem; /* prevent chrome from covering bottom of page on mobile */
}

header h1 {
  font-family: "Courier New", Courier, monospace;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
header a {
  color: black;
  text-decoration: none;
}

figure {
  width: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
img {
  margin: 1rem auto;
}
figcaption {
  text-align: center;
  opacity: 75%;
}