diff --git a/phpBB/styles/prosilver/template/memberlist_body.html b/phpBB/styles/prosilver/template/memberlist_body.html
index 9e6f8c3aab..5ea774bf06 100644
--- a/phpBB/styles/prosilver/template/memberlist_body.html
+++ b/phpBB/styles/prosilver/template/memberlist_body.html
@@ -80,7 +80,7 @@
 	<span class="corners-bottom"><span></span></span></div>
 </div>
 <!-- ENDIF -->
-<div class="forumbg">
+<div class="forumbg forumbg-table">
 	<div class="inner"><span class="corners-top"><span></span></span>
 
 	<table class="table1" cellspacing="1">
diff --git a/phpBB/styles/prosilver/template/memberlist_leaders.html b/phpBB/styles/prosilver/template/memberlist_leaders.html
index 3917498050..26e299d261 100644
--- a/phpBB/styles/prosilver/template/memberlist_leaders.html
+++ b/phpBB/styles/prosilver/template/memberlist_leaders.html
@@ -4,7 +4,7 @@
 
 <form method="post" action="{S_MODE_ACTION}">
 
-<div class="forumbg">
+<div class="forumbg forumbg-table">
 	<div class="inner"><span class="corners-top"><span></span></span>
 
 	<table class="table1" cellspacing="1">
@@ -37,7 +37,7 @@
 	<span class="corners-bottom"><span></span></span></div>
 </div>
 
-<div class="forumbg">
+<div class="forumbg forumbg-table">
 	<div class="inner"><span class="corners-top"><span></span></span>
 	 
 	<table class="table1" cellspacing="1">
diff --git a/phpBB/styles/prosilver/template/search_body.html b/phpBB/styles/prosilver/template/search_body.html
index 6616b95a73..4b1d30d77d 100644
--- a/phpBB/styles/prosilver/template/search_body.html
+++ b/phpBB/styles/prosilver/template/search_body.html
@@ -98,7 +98,7 @@
 </form>
 
 <!-- IF .recentsearch -->
-<div class="forumbg">
+<div class="forumbg forumbg-table">
 	<div class="inner"><span class="corners-top"><span></span></span>
 
 	<table class="table1" cellspacing="1">
diff --git a/phpBB/styles/prosilver/template/viewonline_body.html b/phpBB/styles/prosilver/template/viewonline_body.html
index b111d743f9..3f1f0e64bf 100644
--- a/phpBB/styles/prosilver/template/viewonline_body.html
+++ b/phpBB/styles/prosilver/template/viewonline_body.html
@@ -7,7 +7,7 @@
 	<li class="rightside pagination"><!-- IF PAGINATION --><a href="#" onclick="jumpto(); return false;" title="{L_JUMP_TO_PAGE}">{PAGE_NUMBER}</a> &bull; <span>{PAGINATION}</span><!-- ELSE -->{PAGE_NUMBER}<!-- ENDIF --></li>
 </ul>
 
-<div class="forumbg">
+<div class="forumbg forumbg-table">
 	<div class="inner"><span class="corners-top"><span></span></span>
 	
 	<table class="table1" cellspacing="1">
diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index 8b5e09297e..7eb00bd808 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -418,7 +418,19 @@ table.info tbody th {
 }
 
 .forumbg table.table1 {
-	margin: 0 -2px -1px -1px;
+	margin: 0;
+}
+
+.forumbg-table > .inner {
+	margin: 0 -1px;
+}
+
+.forumbg-table > .inner > span.corners-top {
+	margin: 0 -4px -1px -4px;
+}
+
+.forumbg-table > .inner > span.corners-bottom {
+	margin: -1px -4px 0 -4px;
 }
 
 /* Misc layout styles
diff --git a/phpBB/styles/prosilver/theme/tweaks.css b/phpBB/styles/prosilver/theme/tweaks.css
index f7322c2cce..5e11b2122b 100644
--- a/phpBB/styles/prosilver/theme/tweaks.css
+++ b/phpBB/styles/prosilver/theme/tweaks.css
@@ -87,10 +87,6 @@ dl.icon {
 	float: none;
 }
 
-* html .forumbg table.table1 {
-	margin: 0 -2px 0px -1px;
-}
-
 /* Headerbar height fix for IE7 and below */
 * html #site-description p {
 	margin-bottom: 1.0em;