Index: wp-content/themes/twentythirteen/css/ie.css
===================================================================
--- wp-content/themes/twentythirteen/css/ie.css	(revision 23669)
+++ wp-content/themes/twentythirteen/css/ie.css	(working copy)
@@ -32,6 +32,10 @@
 	left: 100%;
 }
 
+.site-header hgroup {
+	max-width: 1040px;
+}
+
 .site-header .searchform .field {
 	padding-top: 6px;
 }
@@ -185,7 +189,7 @@
 }
 
 .ie7 .main-navigation {
-	max-width: 890px;
+	max-width: 930px;
 	padding-right: 150px;
 }
 
Index: wp-content/themes/twentythirteen/style.css
===================================================================
--- wp-content/themes/twentythirteen/style.css	(revision 23669)
+++ wp-content/themes/twentythirteen/style.css	(working copy)
@@ -800,7 +800,8 @@
 
 .site-header hgroup {
 	margin: 0 auto;
-	max-width: 1040px;
+	max-width: 1080px;
+	padding: 0 20px;
 	min-height: 230px;
 	width: 100%;
 }
@@ -836,14 +837,14 @@
 .main-navigation {
 	clear: both;
 	margin: 0 auto;
-	max-width: 1040px;
+	max-width: 1080px;
 	min-height: 45px;
 	position: relative;
 }
 
 ul.nav-menu,
 div.nav-menu > ul {
-	margin: 0 0 0 -20px;
+	margin: 0;
 	padding: 0 40px 0 0;
 }
 
@@ -927,7 +928,7 @@
 
 .main-navigation .searchform {
 	position: absolute;
-	right: 0;
+	right: 20px;
 	top: 1px;
 }
 
@@ -2681,11 +2682,6 @@
 		margin-right: 0;
 	}
 
-	ul.nav-menu,
-	div.nav-menu > ul {
-		margin-left: 0;
-	}
-
 	.sidebar .format-image .entry-content .size-full {
 		margin: 0;
 	}
@@ -2698,7 +2694,6 @@
 		width: 100%;
 	}
 
-	.site-header hgroup,
 	.archive-header,
 	.search .page-header,
 	.archive .page-header,
@@ -2733,10 +2728,6 @@
 		position: static;
 	}
 
-	.main-navigation .searchform {
-		right: 20px;
-	}
-
 	.site-main .widget-area {
 		margin-right: 60px;
 	}