body {
  margin: 0;
  font-family: Arial, sans-serif;
}

.sidebar {
  width: 220px;
  background: #2c3e50;
  color: white;
  height: 100vh;
  position: fixed;
  padding-top: 20px;
}

.sidebar h2 {
  text-align: center;
  margin-bottom: 20px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar ul li {
  padding: 15px;
  text-align: center;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  display: block;
}

.sidebar ul li:hover {
  background: #34495e;
}

.main-content {
  margin-left: 240px;
  padding: 20px;
}