body {
  font-family: sans-serif;
  line-height: 1.6;
  background-color: #f9fef9;
  color: #2a2a2a;
  padding: 20px;
  max-width: 720px;
  margin: auto;
}
h1 {
  color: #207f4c;
}
h2 {
  color: #145f38;
}
footer {
  margin-top: 40px;
  font-size: 0.9em;
  color: #555;
  text-align: center;
}
blockquote {
  font-style: italic;
  background: #eef8ee;
  padding: 10px 20px;
  border-left: 5px solid #207f4c;
  margin: 20px 0;
}