container fix

pages/_includes/layout/content.html

 {% assign page-header = page.page-header | default: layout.page-header %}
 
 <div class="content">
-	<div class="container{% if page.layout-fluid %}-fluid{% elsif page.container-size %}-{{ page.container-size }}{% endif %}{% if page.container-centered %} d-flex flex-column justify-content-center{% endif %}">
+	<div class="container{% if page.layout-fluid %}-fluid{% else %}-xl{% endif %}{% if page.container-centered %} d-flex flex-column justify-content-center{% endif %}">
 		{% if page-header %}
 		{% include layout/page-header.html title=page-header description=page.page-header-description actions=page.page-header-actions pretitle=page.page-header-pretitle %}
 		{% endif %}