diff --git a/static/css/print.css b/static/css/print.css
index 3ae4ef9ef8..86f294492f 100644
--- a/static/css/print.css
+++ b/static/css/print.css
@@ -106,4 +106,7 @@ hr{
 mark {
     background: inherit;
     color: inherit;
+}
+.mermaid > svg:hover {
+    border-color: transparent;
 }
\ No newline at end of file