main {
  padding: 150px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin: 20px auto;
  max-width: 800px;
}

main h1 {
  font-size: 2.5em;
  color: #333;
  text-align: center;
  margin-bottom: 20px;
}

main h2 {
  font-size: 1.8em;
  color: #555;
  margin-top: 20px;
  margin-bottom: 10px;
}

main p {
  font-size: 1em;
  line-height: 1.6;
  color: #666;
  text-align: justify;
  margin-bottom: 15px;
}

main ul {
  padding-left: 20px;
  margin: 15px 0;
}

main ul li {
  font-size: 1em;
  color: #666;
  margin-bottom: 10px;
}

main a {
  color: #007bff;
  text-decoration: none;
}

main a:hover {
  text-decoration: underline;
}