From 2481eec41d3c91ad05e40ef38e39b8e1f81bf4ee Mon Sep 17 00:00:00 2001
From: "Dominik Schilling (ocean90)" <ocean90@git.wordpress.org>
Date: Wed, 17 Jun 2015 19:34:44 +0000
Subject: [PATCH] Customizer: Replace usage of `calc()` with `box-sizing:
 border-box`.

IE8 doesn't support `calc()`.

props afercia.
see #31336.
fixes #32664.

git-svn-id: https://develop.svn.wordpress.org/trunk@32821 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/css/customize-controls.css  | 13 +++++++------
 src/wp-admin/css/customize-nav-menus.css |  2 +-
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index 1e9d326fff..5f626a32c4 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -210,13 +210,15 @@ body {
 }
 
 #customize-theme-controls .accordion-section-content {
-	margin: 0;
 	position: absolute;
-	left: 100%;
 	top: 0;
-	width: -webkit-calc(100% - 24px);
-	width: calc(100% - 24px);
-	padding: 12px;
+	left: 100%;
+	width: 100%;
+	margin: 0;
+ 	padding: 12px;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
 }
 
 .customize-section-description-container {
@@ -1073,7 +1075,6 @@ p.customize-section-description {
 	display: none;
 	padding: 0 8px;
 	background: #f1f1f1;
-	box-sizing: border-box;
 	-webkit-box-sizing: border-box;
 	-moz-box-sizing: border-box;
 	box-sizing: border-box;
diff --git a/src/wp-admin/css/customize-nav-menus.css b/src/wp-admin/css/customize-nav-menus.css
index 5bb64f6920..72a5527f69 100644
--- a/src/wp-admin/css/customize-nav-menus.css
+++ b/src/wp-admin/css/customize-nav-menus.css
@@ -31,7 +31,7 @@
 }
 
 .wp-customizer .menu-item-bar .menu-item-handle {
-	max-width: 100%;
+	width: 100%;
 	background: #fff;
 }