p.caption {
  text-align: center;
  font-style: italic;
  margin-top: 0.5em;
}

pre {
  background-color: #f5f5f5;
  padding: 1em;
  border-radius: 5px;
  overflow-x: auto;
}

code {
  background-color: #f5f5f5;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'Courier New', Courier, monospace;
}

.book .book-body .page-wrapper .page-inner section.normal h1 {
  color: #2c3e50;
  border-bottom: 2px solid #3498db;
  padding-bottom: 0.3em;
}

.book .book-body .page-wrapper .page-inner section.normal h2 {
  color: #34495e;
  margin-top: 1.5em;
}

.book .book-body .page-wrapper .page-inner section.normal h3 {
  color: #7f8c8d;
}

blockquote {
  border-left: 4px solid #3498db;
  padding-left: 1em;
  margin-left: 0;
  color: #555;
  font-style: italic;
}

table {
  margin: 1em auto;
  border-collapse: collapse;
}

table th {
  background-color: #3498db;
  color: white;
  padding: 0.5em 1em;
}

table td {
  padding: 0.5em 1em;
  border: 1px solid #ddd;
}

table tr:nth-child(even) {
  background-color: #f9f9f9;
}

a {
  color: #3498db;
  text-decoration: none;
}

a:hover {
  color: #2980b9;
  text-decoration: underline;
}