diff --git a/msgbox/msgbox.css b/msgbox/msgbox.css
index afd3af50..17b30e30 100644
--- a/msgbox/msgbox.css
+++ b/msgbox/msgbox.css
@@ -80,6 +80,10 @@
   font-weight: bold;
 }
 
+#message-box.danger #message-box-close-icon svg {
+  fill: maroon;
+}
+
 #message-box.danger #message-box-close-icon svg:hover {
   fill: #600;
 }