change class

src/server/views/layout-growi/page.html

@@ -13,7 +13,7 @@
 {% block content_main %}
   <div class="row">
 
-    <div class="col grw-page-content-container">
+    <div class="col-10 grw-page-content-container">
 
       {% include '../widget/page_content.html' %}