body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

header {
  text-align: center;
  background-color: #6a54ff;
  padding: 10px;
}

.bullet-link {
  list-style: none;
}

.bullet-link li::before {
  content: "•";
  margin-right: 5px;
}

h1 {
  color: #007bff;
}

h2 {
  color: #4CAF50;
}

h3 {
  color: #ff9800;
}

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

a:hover {
  text-decoration: underline;
}