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

    nav {
      position: sticky;
      top: 0;
      background-color: #53573c;
      padding: 1rem;
      color: white;
      text-align: center;
      z-index: 1000;
    }

        .image-section {
      position: relative;
    }

      .image-section img {
      width: 100%;
      height: auto;
      display: block;
    }

    .image-text {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      font-size: 2rem;
      font-weight: bold;
      text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
      text-align: center;
    }

    footer {
      position: relative;
      background: #717250;
      color: white;
      padding: 1rem;
      text-align: left;
    
    }

        .back-to-top {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: #444;
      color: white;
      padding: 0.7rem 1rem;
      border-radius: 8px;
      text-decoration: none;
      font-size: 0.9rem;
    }

        .back-to-top:hover {
      background: #ffee71;
    }