add css for no toc content

src/client/styles/scss/_layout_growi.scss

@@ -3,6 +3,11 @@
 .growi {
   .content-main {
     padding: 0;
+    &.no-toc-content {
+      max-width: 960px;
+      margin-right: auto;
+      margin-left: auto;
+    }
   }
 
   .top-of-table-contents {

src/server/views/me/drafts.html

@@ -6,7 +6,7 @@
 {% endblock %}
 
 {% block content_main %}
-<div id="content-main" class="content-main">
+<div id="content-main" class="content-main no-toc-content">
   <div id="my-drafts"></div>
 </div>
 {% endblock content_main %}