diff --git a/static/css/format-print.css b/static/css/format-print.css
index 538d03321d..ed964431e3 100644
--- a/static/css/format-print.css
+++ b/static/css/format-print.css
@@ -147,7 +147,9 @@ mark {
     background: inherit;
     color: inherit;
 }
-.mermaid > svg:hover {
+.mermaid > svg:hover,
+.mermaid > svg:active,
+.mermaid > svg:focus {
     border-color: transparent;
 }
 div.box > .box-content {