Update README

README.md

@@ -89,19 +89,33 @@ You can configure the authentication settings of the plugin as follows:
 <!-- Add GIFs to showcase plugin features -->
 ### Import Books
 
-| ![](screenshots/demo1.gif) | 
-|----------------------------|
-| **Import as Block**         |
-
-| ![](screenshots/demo2.gif) |
-|----------------------------|
-| **Import as Page**         |
+<table>
+  <tr>
+    <td><img src="screenshots/demo1.gif" alt="Import as Block" width="60%"></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Import as Block</strong></td>
+  </tr>
+</table>
+<table>
+  <tr>
+    <td><img src="screenshots/demo2.gif" alt="Import as Page" width="60%"></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Import as Page</strong></td>
+  </tr>
+</table>
 
 ### Viewing and Syncing
 
-| ![](screenshots/demo3.gif) |
-|----------------------------|
-| **Viewing Book and Syncing Annotations** |
+<table>
+  <tr>
+    <td><img src="screenshots/demo3.gif" alt="Viewing Book and Syncing Annotations" width="60%"></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Viewing Book and Syncing Annotations</strong></td>
+  </tr>
+</table>
 
 
 ## Contribution