diff --git a/phpBB/styles/prosilver/theme/content.css b/phpBB/styles/prosilver/theme/content.css
index 676211b72d..3360a4ef58 100644
--- a/phpBB/styles/prosilver/theme/content.css
+++ b/phpBB/styles/prosilver/theme/content.css
@@ -156,7 +156,7 @@ dd.extra {
 
 dd.mark {
 	float: right !important;
-	width: 40px;
+	width: 9%;
 	text-align: center;
 	line-height: 200%;
 	font-size: 1.2em;