body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #f2f2f2;
      margin: 0;
    }

    h1 {
      text-align: center;
      margin-bottom: 30px;
    }

    .gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      justify-items: center;
    }

    .gallery img {
      width: 300px;
      height: 240px;
      object-fit: cover;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
      transition: transform 0.3s ease;
    }

    .gallery img:hover {
      transform: scale(1.03);
    }

    .focus-view {
      text-align: center;
      display: none;
      margin-top: 20px;
    }

    .focus-view img {
      width: 80%;
      max-width: 600px;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }

    .focus-view p {
      margin-top: 15px;
      font-size: 1.1rem;
      background: white;
      padding: 15px;
      border-left: 4px solid #007acc;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
      border-radius: 4px;
    }

    .volver {
      margin-top: 20px;
      margin-bottom: 30px;
      display: inline-block;
      background: #007acc;
      color: white;
      padding: 10px 20px;
      border-radius: 4px;
      text-decoration: none;
      cursor: pointer;
    }

    @media (max-width: 600px) {
      .gallery img {
        width: 40%;
        height: 100px;
        text-align: center;
        cursor: pointer;
        box-shadow: 0 1px 4px rgba(0,0,0,0.2);
      }
    }
    footer {
      background-color: #333;
      color: white;
      text-align: center;
      padding: 1rem;
      margin-top: 20px;
      position: relative;
      bottom: 0;
      width: 100%;
    }