diff --git a/contrib/static/site.css b/contrib/static/site.css
index a6069a0..76b4eaf 100644
--- a/contrib/static/site.css
+++ b/contrib/static/site.css
@@ -265,6 +265,7 @@ figure img {
 }
 fieldset {
     overflow: auto;
+	border-radius: 5px 0px 5px 0px;
 }
 
 fieldset > img {