diff --git a/docs6/docs/extra.css b/docs6/docs/extra.css
index 031b1cbfe..71d1ba47b 100644
--- a/docs6/docs/extra.css
+++ b/docs6/docs/extra.css
@@ -77,12 +77,15 @@ pre.pre-highlight-in-pair {
 
   border-top-left-radius: 6px;
   border-top-right-radius: 6px;
-
+  border-bottom-right-radius: 0px;
+  border-bottom-left-radius: 0px;
 }
 pre.pre-non-highlight-in-pair {
   background-color: #eae2cb;
   margin-top: 0px;
 
+  border-top-left-radius: 0px;
+  border-top-right-radius: 0px;
   border-bottom-right-radius: 6px;
   border-bottom-left-radius: 6px;
 }