From 9f7796e3bb48455a2e1d624df0c423388d0b100f Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Thu, 17 Mar 2016 19:14:27 +0100
Subject: [PATCH] Fix style property issue in Safari

---
 wcfsetup/install/files/js/WoltLab/WCF/Dom/Util.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/js/WoltLab/WCF/Dom/Util.js b/wcfsetup/install/files/js/WoltLab/WCF/Dom/Util.js
index a230a6c289..5d29a684dc 100644
--- a/wcfsetup/install/files/js/WoltLab/WCF/Dom/Util.js
+++ b/wcfsetup/install/files/js/WoltLab/WCF/Dom/Util.js
@@ -6,7 +6,7 @@
  * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @module	WoltLab/WCF/Dom/Util
  */
-define(['StringUtil'], function(StringUtil) {
+define(['Environment', 'StringUtil'], function(Environment, StringUtil) {
 	"use strict";
 	
 	function _isBoundaryNode(element, ancestor, position) {
@@ -208,6 +208,13 @@ define(['StringUtil'], function(StringUtil) {
 						important = false;
 					}
 					
+					// for a set style property with priority = important, Safari is not able to
+					// overwrite it with a property != important; removing the property first
+					// solves the issue
+					if (Environment.browser() === 'safari' && el.style.getPropertyPriority(property) === 'important' && !important) {
+						el.style.removeProperty(property);
+					}
+					
 					el.style.setProperty(property, styles[property], (important ? 'important' : ''));
 				}
 			}
-- 
2.20.1