body {
    margin: 0;
    font-family: 'Helvetica Neue', sans-serif;
    background-color: #0f0f0f;
    color: #f5f5f5;
    line-height: 1.6;
  }
  header {
    padding: 2rem;
    text-align: center;
    background-color: #1a1a1a;
  }
  header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  header p {
    font-size: 1.25rem;
    color: #bbbbbb;
  }
  main {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 2rem;
  }
  article h2 {
    color: #00d084;
    margin-top: 2rem;
  }
  article p {
    margin: 1rem 0;
  }
  article img {
    max-width: 100%;
    border-radius: 10px;
    margin: 1rem 0;
  }
  .back-link {
    margin-top: 2rem;
    text-align: center;
  }
  .back-link a {
    color: #00d084;
    text-decoration: none;
    font-weight: bold;
  }
  footer {
    background: #0f0f0f;
    padding: 2rem;
    text-align: center;
    color: #777;
    font-size: 0.9rem;
  }