body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

.article-container {
  max-width: 800px;
  margin: 50px auto;
  padding: 20px;
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #333;
  text-align: center;
  margin-bottom: 20px;
}

h2 {
  color: #555;
  margin-top: 30px;
}

p {
  line-height: 1.6;
  color: #666;
}

ul {
  list-style-type: square;
  padding-left: 20px;
}

ul li {
  margin-bottom: 10px;
  color: #444;
}

strong {
  color: #000;
}

@media (max-width: 768px) {
  .article-container {
      padding: 15px;
  }
}