diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index a52f5e494d..2aa126c3d1 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -59,7 +59,7 @@ body {
 	font-size: 10px;
 	line-height: normal;
 	margin: 0;
-	padding: 12px 0;
+	padding: 0;
 	word-wrap: break-word;
 }
 
@@ -175,8 +175,10 @@ ol ol ul, ol ul ul, ul ol ul, ul ul ul {
 /* Main blocks
 ---------------------------------------- */
 #wrap {
-	padding: 0 20px;
 	min-width: 650px;
+	max-width: 1152px;
+	margin: 0 auto;
+	padding: 12px;
 }
 
 #simple-wrap {
diff --git a/phpBB/styles/prosilver/theme/responsive.css b/phpBB/styles/prosilver/theme/responsive.css
index e27a2292b3..ebae9f6a17 100644
--- a/phpBB/styles/prosilver/theme/responsive.css
+++ b/phpBB/styles/prosilver/theme/responsive.css
@@ -13,12 +13,12 @@ html {
 }
 
 body {
-	padding: 0 5px;
+	padding: 0;
 }
 
 #wrap {
 	min-width: 300px;
-	padding: 0;
+	padding: 0 5px;
 }
 
 /* Common block wrappers