diff --git a/lms/templates/courseware/courseware-chromeless.html b/lms/templates/courseware/courseware-chromeless.html
index a9bf9414b2..91f48f6f5a 100644
--- a/lms/templates/courseware/courseware-chromeless.html
+++ b/lms/templates/courseware/courseware-chromeless.html
@@ -86,6 +86,7 @@ ${HTML(fragment.foot_html())}
     % else:
       data-enable-completion-on-view-service="false" \
     % endif
+    style="display: block; width: auto;"
   >
       <main id="main" tabindex="-1" aria-label="Content">
         ${HTML(fragment.body_html())}