diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/css/customize-preview-rtl.css
--- a/wp/wp-includes/css/customize-preview-rtl.css	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-includes/css/customize-preview-rtl.css	Mon Oct 14 18:28:13 2019 +0200
@@ -47,21 +47,20 @@
 	background: #0085ba !important;
 	border-radius: 50%;
 	border: 2px solid #fff;
-	box-shadow: 0 2px 1px rgba(46,68,83,0.15);
+	box-shadow: 0 2px 1px rgba(46, 68, 83, 0.15);
 	text-align: center;
 	cursor: pointer;
 	box-sizing: border-box;
 	padding: 3px;
-	-webkit-animation-fill-mode: both;
 	animation-fill-mode: both;
-	-webkit-animation-duration: .4s;
 	animation-duration: .4s;
 	opacity: 0;
 	pointer-events: none;
-	text-shadow: 0 -1px 1px #006799,
-	             -1px 0 1px #006799,
-	             0 1px 1px #006799,
-	             1px 0 1px #006799;
+	text-shadow:
+		0 -1px 1px #006799,
+		-1px 0 1px #006799,
+		0 1px 1px #006799,
+		1px 0 1px #006799;
 }
 .wp-custom-header .customize-partial-edit-shortcut button {
 	right: 2px
@@ -85,12 +84,10 @@
 }
 
 body.customize-partial-edit-shortcuts-shown .customize-partial-edit-shortcut button {
-	-webkit-animation-name: customize-partial-edit-shortcut-bounce-appear;
 	animation-name: customize-partial-edit-shortcut-bounce-appear;
 	pointer-events: auto;
 }
 body.customize-partial-edit-shortcuts-hidden .customize-partial-edit-shortcut button {
-	-webkit-animation-name: customize-partial-edit-shortcut-bounce-disappear;
 	animation-name: customize-partial-edit-shortcut-bounce-disappear;
 	pointer-events: none;
 }
@@ -100,150 +97,68 @@
 	visibility: hidden;
 }
 
-@-webkit-keyframes customize-partial-edit-shortcut-bounce-appear {
-	from, 20%, 40%, 60%, 80%, to {
-		-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
-		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
-	}
-	0% {
-		opacity: 0;
-		-webkit-transform: scale3d(.3, .3, .3);
-		transform: scale3d(.3, .3, .3);
-	}
-	20% {
-		-webkit-transform: scale3d(1.1, 1.1, 1.1);
-		transform: scale3d(1.1, 1.1, 1.1);
-	}
-	40% {
-		-webkit-transform: scale3d(.9, .9, .9);
-		transform: scale3d(.9, .9, .9);
-	}
-	60% {
-		opacity: 1;
-		-webkit-transform: scale3d(1.03, 1.03, 1.03);
-		transform: scale3d(1.03, 1.03, 1.03);
-	}
-	80% {
-		-webkit-transform: scale3d(.97, .97, .97);
-		transform: scale3d(.97, .97, .97);
-	}
-	to {
-		opacity: 1;
-		-webkit-transform: scale3d(1, 1, 1);
-		transform: scale3d(1, 1, 1);
-	}
-}
-
 @keyframes customize-partial-edit-shortcut-bounce-appear {
 	from, 20%, 40%, 60%, 80%, to {
-		-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
 		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
 	}
 	0% {
 		opacity: 0;
-		-webkit-transform: scale3d(.3, .3, .3);
 		transform: scale3d(.3, .3, .3);
 	}
 	20% {
-		-webkit-transform: scale3d(1.1, 1.1, 1.1);
 		transform: scale3d(1.1, 1.1, 1.1);
 	}
 	40% {
-		-webkit-transform: scale3d(.9, .9, .9);
 		transform: scale3d(.9, .9, .9);
 	}
 	60% {
 		opacity: 1;
-		-webkit-transform: scale3d(1.03, 1.03, 1.03);
 		transform: scale3d(1.03, 1.03, 1.03);
 	}
 	80% {
-		-webkit-transform: scale3d(.97, .97, .97);
 		transform: scale3d(.97, .97, .97);
 	}
 	to {
 		opacity: 1;
-		-webkit-transform: scale3d(1, 1, 1);
 		transform: scale3d(1, 1, 1);
 	}
 }
 
-@-webkit-keyframes customize-partial-edit-shortcut-bounce-disappear {
-	from, 20%, 40%, 60%, 80%, to {
-		-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
-		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
-	}
-	0% {
-		opacity: 1;
-		-webkit-transform: scale3d(1, 1, 1);
-		transform: scale3d(1, 1, 1);
-	}
-	20% {
-		-webkit-transform: scale3d(.97, .97, .97);
-		transform: scale3d(.97, .97, .97);
-	}
-	40% {
-		opacity: 1;
-		-webkit-transform: scale3d(1.03, 1.03, 1.03);
-		transform: scale3d(1.03, 1.03, 1.03);
-	}
-	60% {
-		-webkit-transform: scale3d(.9, .9, .9);
-		transform: scale3d(.9, .9, .9);
-	}
-	80% {
-		-webkit-transform: scale3d(1.1, 1.1, 1.1);
-		transform: scale3d(1.1, 1.1, 1.1);
-	}
-	to {
-		opacity: 0;
-		-webkit-transform: scale3d(.3, .3, .3);
-		transform: scale3d(.3, .3, .3);
-	}
-}
-
 @keyframes customize-partial-edit-shortcut-bounce-disappear {
 	from, 20%, 40%, 60%, 80%, to {
-		-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
 		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
 	}
 	0% {
 		opacity: 1;
-		-webkit-transform: scale3d(1, 1, 1);
 		transform: scale3d(1, 1, 1);
 	}
 	20% {
-		-webkit-transform: scale3d(.97, .97, .97);
 		transform: scale3d(.97, .97, .97);
 	}
 	40% {
 		opacity: 1;
-		-webkit-transform: scale3d(1.03, 1.03, 1.03);
 		transform: scale3d(1.03, 1.03, 1.03);
 	}
 	60% {
-		-webkit-transform: scale3d(.9, .9, .9);
 		transform: scale3d(.9, .9, .9);
 	}
 	80% {
-		-webkit-transform: scale3d(1.1, 1.1, 1.1);
 		transform: scale3d(1.1, 1.1, 1.1);
 	}
 	to {
 		opacity: 0;
-		-webkit-transform: scale3d(.3, .3, .3);
 		transform: scale3d(.3, .3, .3);
 	}
 }
 
-@media screen and (max-width:800px) {
+@media screen and (max-width: 800px) {
 	.widget .customize-partial-edit-shortcut button,
 	.customize-partial-edit-shortcut button {
 		right: -32px;
 	}
 }
 
-@media screen and (max-width:320px) {
+@media screen and (max-width: 320px) {
 	.widget .customize-partial-edit-shortcut button,
 	.customize-partial-edit-shortcut button {
 		right: -30px;