body {
  font-family: 'Arial', sans-serif;
}

.content {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 18px solid #123;
}

h1 {
  font-size: 60px;
  font-weight: bold;
  margin: 20px 0px 0px 20px;
}

h2 {
  font-size: 20px;
  font-weight: bold;
  margin: 5px 0px 10px 20px;
  color: #999;
}

.table-of-contents {
  display: inline-block;
  text-align: center;
  margin: 10px;
}



.chapter {
  text-align: center;
}

.chapter-image {
  border: 4px solid #000;
  margin-top: 10px;
  margin-right: 20px;
  margin-bottom: 20px;
}

.chapter-body {
  font-weight: bolder;
  margin-top: 80px;
  text-align: center;
  display: inline-block;
  vertical-align: top;
  width: 700px;
}

p {
  font-size: 16px;
  line-height: 20px;
  margin-bottom: 20px;
}