<!-- BEGIN COPY / PASTE -->
    <style>
      .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
      }
      .gallery img {
        width: 100%;
        height: auto;
        display: block;
      }
    </style>

    <div class="gallery">
      <img src="image1.jpg" alt="Image 1">
      <img src="image2.jpg" alt="Image 2">
      <img src="image3.jpg" alt="Image 3">
      <img src="image4.jpg" alt="Image 4">
      <!-- Add more images as needed -->
    </div>
    <!-- END COPY / PASTE -->