body {
  margin: 0;
  padding: 12px 16px;
  background: #fff;
  color: #000;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.35;
}

a {
  color: #224b8d;
}

a:hover {
  color: #527bbd;
}

.layout {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  max-width: 1000px;
}

nav {
  flex: 0 0 auto;
  min-width: 150px;
  padding: 18px 10px 24px;
  background: #f3f3f3;
  border: 1px solid #dcdcdc;
}

nav h2 {
  margin: 0 0 4px;
  padding-bottom: 2px;
  font-size: 16px;
  border-bottom: 1px solid #000;
}

nav h2 a {
  color: inherit;
  text-decoration: none;
}

nav h2 + ul {
  margin-bottom: 18px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0 8px;
}

nav li {
  margin: 4px 0;
}

nav a {
  color: #527bbd;
}

nav a[aria-current="page"] {
  color: #000;
  border-bottom: 1px double #000;
  text-decoration: none;
}

main {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 850px;
}

h1 {
  margin: 12px 0 18px;
  padding-bottom: 2px;
  color: #527bbd;
  font-size: 28px;
  border-bottom: 3px double #999;
}

h2 {
  margin: 28px 0 6px;
  padding-bottom: 2px;
  color: #527bbd;
  font-size: 22px;
  border-bottom: 1px solid #aaa;
}

.profile {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 10px 8px;
}

.profile img.photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.profile p {
  margin: 12px 0;
}

.icon {
  width: 15px;
  height: 15px;
  margin-right: 6px;
  vertical-align: -2px;
}

.links a {
  margin-right: 14px;
}

.people {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin: 16px 0;
}

.people figure {
  margin: 0;
}

.people img {
  display: block;
  width: 150px;
  height: 150px;
  object-fit: cover;
}

.people figcaption {
  margin-top: 6px;
}

ul.entries {
  padding-left: 20px;
  list-style: square;
}

ul.entries > li {
  margin-bottom: 18px;
}

.note {
  display: inline-block;
  background: #ffffdd;
  font-family: "Courier New", monospace;
  font-size: 15px;
}

.byline {
  color: #555;
  font-style: italic;
}

ol.toc li {
  margin: 2px 0;
}

footer {
  margin-top: 48px;
  padding-top: 4px;
  border-top: 1px solid #aaa;
  color: #999;
  font-size: 13px;
}

@media (max-width: 640px) {
  .layout {
    flex-direction: column;
    align-items: stretch;
  }

  nav {
    padding: 10px 12px;
  }

  nav h2 + ul {
    margin-bottom: 10px;
  }

  nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0 16px;
  }
}