/* The Lux theme sets headings in uppercase with wide letter spacing */
h1, h2, h3, h4, h5, h6, .title, .navbar .nav-link, .navbar-title {
  text-transform: none;
  letter-spacing: normal;
}

/* Abstract / course content toggle buttons */
details summary {
  display: inline-block;
  cursor: pointer;
  padding: 2px 10px;
  border: 1px solid #999;
  border-radius: 4px;
  font-size: 0.85em;
}
details[open] summary {
  margin-bottom: 0.5em;
}
a.paper-link {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 4px;
  background: #1a1a1a;
  color: #fff;
  font-size: 0.85em;
  font-weight: 600;
  margin-left: 0.75em;
  text-decoration: none;
}
a.paper-link:hover {
  background: #444;
  color: #fff;
}

/* Space between courses on the teaching page */
.course {
  margin-bottom: 2em;
}

/* Larger navbar text */
.navbar .nav-link, .navbar-title {
  font-size: 1.05rem;
}