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

    nav {
      background: #222;
      padding: 15px;
    }

    nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
    }

    nav ul li {
      position: relative;
    }

    nav ul li a {
      color: white;
      text-decoration: none;
      margin: 0 15px;
      font-size: 18px;
      display: block;
      padding: 8px 10px;
    }

    nav ul li a:hover {
      text-decoration: underline;
    }

    nav ul li ul {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      background: #333;
      padding: 10px 0;
      min-width: 160px;
      border-radius: 6px;
      text-align: left;
      z-index: 1000;
    }

    nav ul li:hover > ul {
      display: block;
    }

    nav ul li ul li {
      margin: 0;
      position: relative; 
    }

    nav ul li ul li a {
      margin: 0;
      padding: 10px 15px;
      font-size: 16px;
      color: white;
      white-space: nowrap;
    }

    nav ul li ul li a:hover {
      background: #444;
      text-decoration: none;
    }

    nav ul li ul li ul {
      display: none;
      position: absolute;
      top: 0;
      left: 100%; 
      background: #444;
      padding: 10px 0;
      min-width: 160px;
      border-radius: 6px;
    }

    nav ul li ul li:hover > ul {
      display: block;
    }

    nav ul li ul li ul li a {
      font-size: 15px;
      padding: 10px 15px;
      background: #444;
    }

    nav ul li ul li ul li a:hover {
      background: #555;
    }
    .centered-image {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 90vh; 
    }

    .centered-image img {
      max-width: 80%;
      height: auto;
      border-radius: 8px;
      margin-top: 100px;
    }
    
        nav {
      background: #222;
      padding: 15px;
    }

    nav a {
      color: white;
      text-decoration: none;
      margin: 0 15px;
      font-size: 18px;
    }

    nav a:hover {
      text-decoration: underline;
    }