From 4dc810ad3cd6f48eda2eea2cc30c45b6ec465e61 Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Sun, 27 Sep 2015 18:40:40 +0000
Subject: [PATCH] Feature Image: Improve the preview for transparent background
 images by using CSS3 to show a checkered background.

Props metodiew.
Fixes #33299.


git-svn-id: https://develop.svn.wordpress.org/trunk@34634 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/css/edit.css | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/wp-admin/css/edit.css b/src/wp-admin/css/edit.css
index adbf856a99..a67077a2ac 100644
--- a/src/wp-admin/css/edit.css
+++ b/src/wp-admin/css/edit.css
@@ -291,6 +291,9 @@ ul.wp-tab-bar li {
 	max-width: 100%;
 	height: auto;
 	width: auto;
+	background-image: linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4), linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4);
+	background-position: 0 0, 10px 10px;
+	background-size: 20px 20px;
 }
 
 form#tags-filter {