body {
  font-family: 'Georgia', serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  line-height: 1.75;
  text-align: justify;
  color: #000;
  background-color: #fff;
}

.content {
  max-width: 900px;
  margin: 0 auto;
}

h1, h2, h3 {
  color: #111;
}

h1,
h2 {
  text-align: center;
}

h2 {
  margin-bottom: 0.3em;
}

p, ul, ol {
  font-size: 1.05rem;
}

pre {
  background: #f8f8f8;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 18px;
  overflow-x: auto;
}

code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.16em 0.28em;
  border-radius: 4px;
}

a {
  color: #3498db;
}