diff --git a/webui/src/main/css/muwire.css b/webui/src/main/css/muwire.css
index b20abfbc..afaebc7b 100644
--- a/webui/src/main/css/muwire.css
+++ b/webui/src/main/css/muwire.css
@@ -626,5 +626,5 @@ textarea.copypaste {
 
 .configuration-section .tooltip .tooltiptext {
 	white-space: pre-wrap;
-	padding : 5x 0 5x 5x;
+	padding : 5px 0 5px 5px;
 }
\ No newline at end of file