diff --git a/layouts/_default/list.html b/layouts/_default/list.html
index 20ca950..14fc135 100644
--- a/layouts/_default/list.html
+++ b/layouts/_default/list.html
@@ -1,7 +1,7 @@
 {{ partial "site_header.html" . }}
 {{ partial "page_header.html" . }}
 
-  <main class="content">
+  <main class="content list">
     {{ partial "preview_list.html" . }}
   </main>
 
diff --git a/layouts/index.html b/layouts/index.html
index 20ca950..14fc135 100644
--- a/layouts/index.html
+++ b/layouts/index.html
@@ -1,7 +1,7 @@
 {{ partial "site_header.html" . }}
 {{ partial "page_header.html" . }}
 
-  <main class="content">
+  <main class="content list">
     {{ partial "preview_list.html" . }}
   </main>