From 00a9c2e5f4c855382435cec6b3908eb9bd5a53b7 Mon Sep 17 00:00:00 2001
From: Michał Gołębiowski-Owczarek <m.goleb@gmail.com>
Date: Mon, 23 Apr 2018 21:00:14 +0200
Subject: CSS: Don't automatically add "px" to properties with a few exceptions

Fixes gh-2795
Closes gh-4055
Ref gh-4009
---
 src/effects/Tween.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/effects')

diff --git a/src/effects/Tween.js b/src/effects/Tween.js
index bf501ead0..f8c847f97 100644
--- a/src/effects/Tween.js
+++ b/src/effects/Tween.js
@@ -1,9 +1,10 @@
 define( [
 	"../core",
+	"../css/isAutoPx",
 	"../css/finalPropName",
 
 	"../css"
-], function( jQuery, finalPropName ) {
+], function( jQuery, isAutoPx, finalPropName ) {
 
 "use strict";
 
@@ -21,7 +22,7 @@ Tween.prototype = {
 		this.options = options;
 		this.start = this.now = this.cur();
 		this.end = end;
-		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+		this.unit = unit || ( isAutoPx( prop ) ? "px" : "" );
 	},
 	cur: function() {
 		var hooks = Tween.propHooks[ this.prop ];
-- 
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