diff --git a/content/static/style/default.css b/content/static/style/default.css
index e2b69553e..f373cdd3d 100644
--- a/content/static/style/default.css
+++ b/content/static/style/default.css
@@ -388,7 +388,7 @@ abbr.dtstart, abbr.dtend {
   width: 14.5em;
   height: 14.5em;
 
-  background-size: cover;
+  background-size: contain;
   background-position: center;
   background-repeat: no-repeat;
 }