/* Base Typography */
body, .content, .thesis_body, .sections_container {
  font-family: 'PT Serif', serif;
}

.heading h3 {
  font-size: 20px;
}

/* Navigation */
.nav {
  padding-top: 4px;
  padding-bottom: 4px;
}

.nav ul {
  padding-left: 0;
  padding-top: 8px;
  padding-bottom: 8px;
  list-style: none;
  margin: 0;
}

.nav li {
  display: inline;
}

.nav a {
  color: #5a5a5a;
  font-size: 11px;
  font-weight: bold;
  padding: 2px 8px;
  text-transform: uppercase;
  text-decoration: none;
}

/* Jumbotron Replacement */
.jumbotron {
  background-image: url("Jumbotron.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  text-align: center;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
  min-height: 600px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.jumbotron h1 {
  color: #fff;
  font-size: 46px;
  font-weight: bold;
}

.jumbotron h2 {
  color: #fff;
  font-size: 34px;
  font-weight: bold;
}

.jumbotron h3 {
  color: #fff;
  font-size: 28px;
  font-weight: bold;
}

.jumbotron p {
  font-size: 22px;
  color: #fff;
}

/* Abstract Section */
.abstract {
  background-color: #f7f7f7;
  padding-bottom: 20px;
  border-bottom: 1px solid #dbdbdb;
}

.abstract h1 {
  font-size: 18px;
  font-weight: bold;
}

.abstract p {
  color: #393c3d;
  padding-bottom: 2px;
  font-size: 16px;
}

/* Table of Contents Section */
.ToC {
  background-color: #efefef;
  border-bottom: 1px solid #dbdbdb;
}

.ToC h2 {
  color: #393c3d;
  font-size: 24px;
}

.ToC h3 {
  color: #393c3d;
  font-size: 18px;
  font-weight: bold;
}

.ToC p {
  font-size: 18px;
}

.thumbnail-style {
  padding: 4px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  display: block;
}

.thumbnail-style img {
  max-height: 160px;
  width: 100%;
  object-fit: cover;
  border-radius: 0.25rem;
  display: block;
}