Shopify section - Gallery Carousel section *classes works on testament theme. just remove classes

Shopify section - Gallery Carousel section.txt

<div class="row gallery-carousel">
  {% for block in section.blocks %}
      <div class="gallery-section-item gallery-section-item-{{ block.id }}" {{ block.shopify_attributes }}>
          <div class="gallery-section-item-inner">
              {% if block.settings.link != blank %}<a href="{{ block.settings.link }}">{% endif %}
              {% if block.settings.image != blank %}
              <img src="{{ block.settings.image | img_url: 'master' }}" alt="{{ block.settings.image.alt }}">
                  <noscript>
                      <img src="{{ block.settings.image | img_url: '1024x' }}" alt="{{ block.settings.image.alt }}">
                  </noscript>
              {% else %}
                  <div class="onboard">
                  {{ 'image' | placeholder_svg_tag: 'placeholder-svg' }}
                  </div>
              {% endif %}
              <div class="caption">
                  {% if block.settings.title_text != blank %}
                  <h3>{{ block.settings.title_text | escape }}</h3>
                  {% endif %}
                  {% if block.settings.hidden_text != blank %}
                  <p>{{ block.settings.hidden_text | escape }}</p>
                  {% endif %}
              </div>
              {% if block.settings.link != blank %}</a>{% endif %}
          </div>
      </div>
      {% if section.blocks.size == 0 %}
      {% endif %}
  {% endfor %}
</div>

{% schema %}
{
    "name": "Gallery Carousel",
    "max_blocks": 10,
    "settings": [
    {
        "type":      "range",
        "id":        "heading_size",
        "min":       12,
        "max":       36,
        "step":      1,
        "unit":      "px",
        "label":     "Heading size",
        "default":   22
    },
    {
        "type":      "range",
        "id":        "hidden_size",
        "min":       12,
        "max":       36,
        "step":      1,
        "unit":      "px",
        "label":     "Subheading size",
        "default":   14
    }
    ],
    "blocks": [
    {
        "type": "image",
        "name": "Image",
        "settings": [
        {
        "type": "image_picker",
        "id": "image",
        "label": "Image"
        },
        {
        "type": "url",
        "id": "link",
        "label": "Link",
        "info": "Optional"
        },
        {
        "type": "text",
        "id": "title_text",
        "label": "Heading",
        "default": "Our collections"
        },
        {
        "type": "text",
        "id": "hidden_text",
        "label": "Shown on hover",
        "default": "Shop now",
        "info": "Shown on hover"
        },
        {
        "type": "color",
        "id": "heading_color",
        "label": "Heading color",
        "default": "#ffffff"
        },
        {
        "type": "color",
        "id": "hidden_color",
        "label": "Subheading color",
        "default": "#ffffff"
        }
        ]
    }
    ],
    "presets": [
    {
        "name": "Gallery Carousel",
        "category": "Image",
        "blocks": [
        {
            "type": "image"
        },
        {
            "type": "image"
        },
        {
            "type": "image"
        }
        ]
    }
    ]
}
{% endschema %}