diff --git a/layouts/_default/list.html b/layouts/_default/list.html
index c5bcb807..2fe171f9 100644
--- a/layouts/_default/list.html
+++ b/layouts/_default/list.html
@@ -31,7 +31,7 @@
 {{- end }}
 
 {{- if .Content }}
-<div class="md-content">
+<div class="post-content md-content">
   {{- if not (.Param "disableAnchoredHeadings") }}
   {{- partial "anchored_headings.html" .Content -}}
   {{- else }}{{ .Content }}{{ end }}