diff --git a/core/modules/image/templates/image-style-preview.html.twig b/core/modules/image/templates/image-style-preview.html.twig
index d6e715c..6370340 100644
--- a/core/modules/image/templates/image-style-preview.html.twig
+++ b/core/modules/image/templates/image-style-preview.html.twig
@@ -30,28 +30,28 @@
  * @ingroup themeable
  */
 #}
-<div class="image-style-preview preview clearfix">
+<div>
   {# Preview of the original image. #}
-  <div class="preview-image-wrapper">
+  <div>
       {{ 'original'|t }} (<a href="{{ original.url }}">{{ 'view actual size'|t }}</a>)
-      <div class="preview-image original-image" style="width: {{ preview.original.width }}px; height: {{ preview.original.height }}px;">
+      <div style="width: {{ preview.original.width }}px; height: {{ preview.original.height }}px;">
         <a href="{{ original.url }}">
           {{ original.rendered }}
         </a>
-      <div class="height" style="height: {{ preview.original.height }}px"><span>{{ original.height }}px</span></div>
-      <div class="width" style="width: {{ preview.original.width }}px"><span>{{ original.width }}px</span></div>
+      <div style="height: {{ preview.original.height }}px"><span>{{ original.height }}px</span></div>
+      <div style="width: {{ preview.original.width }}px"><span>{{ original.width }}px</span></div>
     </div>
   </div>
 
   {# Derivative of the image style. #}
-  <div class="preview-image-wrapper">
+  <div>
     {{ style_name }} (<a href="{{ derivative.url }}?{{ cache_bypass }}">{{ 'view actual size'|t }}</a>)
-    <div class="preview-image modified-image" style="width: {{ preview.derivative.width }}px; height: {{ preview.derivative.height }}px;">
+    <div style="width: {{ preview.derivative.width }}px; height: {{ preview.derivative.height }}px;">
       <a href="{{ derivative.url }}?{{ cache_bypass }}">
         {{ derivative.rendered }}
       </a>
-      <div class="height" style="height: {{ preview.derivative.height }}px"><span>{{ derivative.height }}px</span></div>
-      <div class="width" style="width: {{ preview.derivative.width }}px"><span>{{ derivative.width }}px</span></div>
+      <div style="height: {{ preview.derivative.height }}px"><span>{{ derivative.height }}px</span></div>
+      <div style="width: {{ preview.derivative.width }}px"><span>{{ derivative.width }}px</span></div>
     </div>
   </div>
 </div>
diff --git a/core/modules/image/templates/image-widget.html.twig b/core/modules/image/templates/image-widget.html.twig
index 8bdc5f1..90b93db 100644
--- a/core/modules/image/templates/image-widget.html.twig
+++ b/core/modules/image/templates/image-widget.html.twig
@@ -14,11 +14,11 @@
 #}
 <div{{ attributes }}>
   {% if data.preview %}
-    <div class="image-preview">
+    <div>
       {{ data.preview }}
     </div>
   {% endif %}
-  <div class="image-widget-data">
+  <div>
     {# Render widget data without the image preview that was output already. #}
     {{ data|without('preview') }}
   </div>
diff --git a/core/themes/classy/templates/image-anchor.html.twig b/core/themes/classy/templates/image-anchor.html.twig
new file mode 100644
index 0000000..eb670a4
--- /dev/null
+++ b/core/themes/classy/templates/image-anchor.html.twig
@@ -0,0 +1,14 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a 3x3 grid of checkboxes for image anchors.
+ *
+ * Available variables:
+ * - table: HTML for the table of image anchors.
+ *
+ * @see template_preprocess_image_anchor()
+ *
+ * @ingroup themeable
+ */
+#}
+{{ table }}
diff --git a/core/themes/classy/templates/image-crop-summary.html.twig b/core/themes/classy/templates/image-crop-summary.html.twig
new file mode 100644
index 0000000..fc991b6
--- /dev/null
+++ b/core/themes/classy/templates/image-crop-summary.html.twig
@@ -0,0 +1,32 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a summary of an image crop effect.
+ *
+ * Available variables:
+ * - data: The current configuration for this resize effect, including:
+ *   - width: The width of the resized image.
+ *   - height: The height of the resized image.
+ *   - anchor: The part of the image that will be retained after cropping.
+ *   - anchor_label: The translated label of the crop anchor.
+ * - effect: The effect information, including:
+ *   - id: The effect identifier.
+ *   - label: The effect name.
+ *   - description: The effect description.
+ *
+ * @ingroup themeable
+ */
+#}
+{% if data.width and data.height -%}
+  {{ data.width|e }}×{{ data.height|e }}
+{%- else -%}
+  {% if data.width %}
+    {% trans %}
+      width {{ data.width|e }}
+    {% endtrans %}
+  {% elseif data.height %}
+    {% trans %}
+      height {{ data.height|e }}
+    {% endtrans %}
+  {% endif %}
+{%- endif %}
diff --git a/core/themes/classy/templates/image-formatter.html.twig b/core/themes/classy/templates/image-formatter.html.twig
new file mode 100644
index 0000000..0283fcc
--- /dev/null
+++ b/core/themes/classy/templates/image-formatter.html.twig
@@ -0,0 +1,21 @@
+{#
+/**
+ * @file
+ * Default theme implementation to display a formatted image field.
+ *
+ * Available variables:
+ * - image: A collection of image data.
+ * - image_style: An optional image style.
+ * - path: An optional array containing the link 'path' and link 'options'.
+ * - url: An optional URL the image can be linked to.
+ *
+ * @see template_preprocess_image_formatter()
+ *
+ * @ingroup themeable
+ */
+#}
+{% if url %}
+  <a href="{{ url }}">{{ image }}</a>
+{% else %}
+  {{ image }}
+{% endif %}
diff --git a/core/themes/classy/templates/image-resize-summary.html.twig b/core/themes/classy/templates/image-resize-summary.html.twig
new file mode 100644
index 0000000..f4084ef
--- /dev/null
+++ b/core/themes/classy/templates/image-resize-summary.html.twig
@@ -0,0 +1,30 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a summary of an image resize effect.
+ *
+ * Available variables:
+ * - data: The current configuration for this resize effect, including:
+ *   - width: The width of the resized image.
+ *   - height: The height of the resized image.
+ * - effect: The effect information, including:
+ *   - id: The effect identifier.
+ *   - label: The effect name.
+ *   - description: The effect description.
+ *
+ * @ingroup themeable
+ */
+#}
+{% if data.width and data.height -%}
+  {{ data.width|e }}×{{ data.height|e }}
+{%- else -%}
+  {% if data.width %}
+    {% trans %}
+      width {{ data.width|e }}
+    {% endtrans %}
+  {% elseif data.height %}
+    {% trans %}
+      height {{ data.height|e }}
+    {% endtrans %}
+  {% endif %}
+{%- endif %}
diff --git a/core/themes/classy/templates/image-rotate-summary.html.twig b/core/themes/classy/templates/image-rotate-summary.html.twig
new file mode 100644
index 0000000..705a0eb
--- /dev/null
+++ b/core/themes/classy/templates/image-rotate-summary.html.twig
@@ -0,0 +1,27 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a summary of an image rotate effect.
+ *
+ * Available variables:
+ * - data: The current configuration for this resize effect, including:
+ *   - degrees: Degrees to rotate the image, positive values will rotate the
+ *     image clockwise, negative values counter-clockwise.
+ *   - bgcolor: The hex background color of the new areas created as consequence
+ *     of rotation.
+ *   - random: If the rotation angle is randomized.
+ * - effect: The effect information, including:
+ *   - id: The effect identifier.
+ *   - label: The effect name.
+ *   - description: The effect description.
+ *
+ * @ingroup themeable
+ */
+#}
+{% if data.random %}
+  {% trans %}
+    random between -{{ data.degrees|abs }}° and {{ data.degrees|abs }}°
+  {% endtrans %}
+{% else %}
+  {{ data.degrees }}°
+{% endif %}
diff --git a/core/themes/classy/templates/image-scale-summary.html.twig b/core/themes/classy/templates/image-scale-summary.html.twig
new file mode 100644
index 0000000..32d75cc
--- /dev/null
+++ b/core/themes/classy/templates/image-scale-summary.html.twig
@@ -0,0 +1,37 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a summary of an image scale effect.
+ *
+ * Available variables:
+ * - data: The current configuration for this resize effect, including:
+ *   - width: The width of the resized image.
+ *   - height: The height of the resized image.
+ *   - upscale: If images larger than their original size can scale.
+ * - effect: The effect information, including:
+ *   - id: The effect identifier.
+ *   - label: The effect name.
+ *   - description: The effect description.
+ *
+ * @ingroup themeable
+ */
+#}
+{% if data.width and data.height -%}
+  {{ data.width|e }}×{{ data.height|e }}
+{%- else -%}
+  {% if data.width %}
+    {% trans %}
+      width {{ data.width|e }}
+    {% endtrans %}
+  {% elseif data.height %}
+    {% trans %}
+      height {{ data.height|e }}
+    {% endtrans %}
+  {% endif %}
+{%- endif %}
+
+{% if data.upscale %}
+  {% trans %}
+    (upscaling allowed)
+  {% endtrans %}
+{% endif %}
diff --git a/core/modules/image/templates/image-style-preview.html.twig b/core/themes/classy/templates/image-style-preview.html.twig
similarity index 100%
copy from core/modules/image/templates/image-style-preview.html.twig
copy to core/themes/classy/templates/image-style-preview.html.twig
diff --git a/core/themes/classy/templates/image-style.html.twig b/core/themes/classy/templates/image-style.html.twig
new file mode 100644
index 0000000..6d70ade
--- /dev/null
+++ b/core/themes/classy/templates/image-style.html.twig
@@ -0,0 +1,20 @@
+{#
+/**
+ * @file
+ * Default theme implementation for an image using a specific image style.
+ *
+ * Available variables:
+ * - attributes: HTML attributes for the image, including the following:
+ *   - src: Full URL or relative path to the image file.
+ *   - class: One or more classes to be applied to the image.
+ *   - width: The width of the image (if known).
+ *   - height: The height of the image (if known).
+ *   - title: The title of the image.
+ *   - alt: The alternative text for the image.
+ *
+ * @see template_preprocess_image_style()
+ *
+ * @ingroup themeable
+ */
+#}
+{{ image }}
diff --git a/core/modules/image/templates/image-widget.html.twig b/core/themes/classy/templates/image-widget.html.twig
similarity index 100%
copy from core/modules/image/templates/image-widget.html.twig
copy to core/themes/classy/templates/image-widget.html.twig