diff --git a/css/skeleton.css b/css/skeleton.css
index d3d5d1e..2f1d690 100644
--- a/css/skeleton.css
+++ b/css/skeleton.css
@@ -362,6 +362,7 @@ dl,
 figure,
 table,
 p,
+details,
 ul,
 ol,
 form {