diff --git a/tt-rss.css b/tt-rss.css
index 137ea8927..31987977a 100644
--- a/tt-rss.css
+++ b/tt-rss.css
@@ -2089,3 +2089,8 @@ ul#headlineActionsBody li.insensitive:hover {
 	cursor : normal;
 	color : gray;
 }
+
+:focus {
+	-moz-outline-style: none;
+}
+