body {
  background-color: BurlyWood;
}

header {
  margin-left: 20px;
}

footer > p {
  color: DarkGoldenrod;
  font-size: 0.75em;
  text-align: center;
}

h1 {
  color: navy;
}

img {
  border: 1px solid #555;
}

img.clickable {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 5px;
  width: 340px;
}

img.clickable:hover {
  box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
}

.page {
  border: 1px solid black;
  margin-left: 1em;
  margin-right: 1em;
  padding-left: 1em;
  padding-right: 1em;
  border-radius: 15px;
  max-width: 80em;
  background-color: AntiqueWhite;
}

pre {
  white-space: pre-line;
}

hr {
  color: BlanchedAlmond;
}