diff --git a/phpBB/styles/prosilver/theme/cp.css b/phpBB/styles/prosilver/theme/cp.css
index 014bb91e7a..81b6d9bf64 100644
--- a/phpBB/styles/prosilver/theme/cp.css
+++ b/phpBB/styles/prosilver/theme/cp.css
@@ -59,10 +59,6 @@ ul.cplist {
 	border-bottom: none;
 }
 
-#cp-main .postbody p {
-	font-size: 1.1em;
-}
-
 #cp-main .pm-message {
 	border: 1px solid transparent;
 	margin: 10px 0;
@@ -78,6 +74,10 @@ ul.cplist {
 	margin-top: 0;
 }
 
+.panel-container .postbody p.author {
+	font-size: 1.1em;
+}
+
 #cp-main .buttons {
 	margin-left: 0;
 }