updated theme visual

Author: ManushiM

guide/13-managing-arcgis-applications/cloning-editing-storymap.ipynb

@@ -363,15 +363,19 @@
    "source": [
     "#### Theme\n",
     "\n",
-    "Theme sets the visual style and appearance of the storymap. You can fetch and update the theme of your story as shown below. \n",
+    "Theme sets the visual style and appearance of the StoryMap. ArcGIS StoryMaps supports the following themes:\n",
     "\n",
-    "Supported type enumerations for theme include:\n",
+    "![themes](https://github.com/user-attachments/assets/8f1cc448-cc6a-4e87-8734-7351d04a9e47)\n",
+    "\n",
+    "The ArcGIS API for Python supports these themes through type enumerations which include:\n",
     "* `SUMMIT` = \"summit\"\n",
     "* `OBSIDIAN` = \"obsidian\"\n",
     "* `RIDGELINE` = \"ridgeline\"\n",
     "* `MESA` = \"mesa\"\n",
     "* `TIDAL` = \"tidal\"\n",
-    "* `SLATE` = \"slate\""
+    "* `SLATE` = \"slate\"\n",
+    "\n",
+    "You can fetch and update the theme of your story as shown below."
    ]
   },
   {