body {
      background-color: #000;
      color: #0f0;
      font-family: "Courier New", Courier, monospace;
      margin: 0;
      padding: 0;
    }

    header {
      background-color: #111;
      border-bottom: 2px solid #0f0;
      padding: 1rem;
      text-align: center;
    }

    header h1 {
      margin: 0;
      font-size: 2rem;
      color: #0ff;
    }

    nav {
      margin-top: 0.5rem;
    }

    nav a {
      color: #0f0;
      text-decoration: none;
      margin: 0 1rem;
      font-weight: bold;
      transition: text-shadow 0.2s ease-in-out;
    }

    nav a:hover {
      color: #0f0;
      text-shadow: 0 0 10px #0f0;
    }

    .banner {
      width: 100%;
      max-height: 300px;
      display: block;
      margin: 0 auto;
      border: 2px solid #0f0;
    }
    main {
      padding: 2rem;
      text-align: center;
    }

    section h2 {
      font-size: 1.5rem;
      color: #0ff;
      border-bottom: 1px dashed #0f0;
      padding-bottom: 0.5rem;
    }

    footer {
      background-color: #111;
      color: #0f0;
      text-align: center;
      padding: 1rem;
      border-top: 2px solid #0f0;
      position: relative;
      bottom: 0;
      width: 100%;
    }