add margin-bottom to .revision-toc-content

src/server/views/widget/page_content.html

@@ -59,7 +59,7 @@
   <div class="grw-side-contents-sticky-container">
     <div id="page-accessories" class="page-accessories"></div>
     <div id="revision-toc" class="revision-toc sps sps--abv" data-sps-offset="123">
-      <div id="revision-toc-content" class="revision-toc-content"></div>
+      <div id="revision-toc-content" class="revision-toc-content mb-3"></div>
     </div>
     {% if pageUser %}
       <div id="grw-user-contents-links"></div>