diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/css/jquery-ui-dialog.css
--- a/wp/wp-includes/css/jquery-ui-dialog.css	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/css/jquery-ui-dialog.css	Mon Oct 14 17:39:30 2019 +0200
@@ -107,7 +107,6 @@
 	position: absolute;
 	font-size: 0.1px;
 	display: block;
-	-ms-touch-action: none;
 	touch-action: none;
 }
 .ui-resizable-disabled .ui-resizable-handle,
@@ -191,18 +190,14 @@
 	border-width: 1px;
 	border-style: solid;
 	-webkit-appearance: none;
-	-webkit-border-radius: 3px;
 	border-radius: 3px;
 	white-space: nowrap;
-	-webkit-box-sizing: border-box;
-	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 	color: #555;
 	border-color: #cccccc;
 	background: #f7f7f7;
-	-webkit-box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba( 0, 0, 0, 0.08 );
-	box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba( 0, 0, 0, 0.08 );
-	vertical-align: top;
+	box-shadow: 0 1px 0 #cccccc;
+ 	vertical-align: top;
 }
 
 .ui-button:active,
@@ -212,9 +207,8 @@
 
 /* Remove the dotted border on :focus and the extra padding in Firefox */
 .ui-button::-moz-focus-inner {
-	border-width: 1px 0;
-	border-style: solid none;
-	border-color: transparent;
+	border-width: 0;
+	border-style: none;
 	padding: 0;
 }
 
@@ -226,20 +220,16 @@
 }
 
 .ui-button:focus {
-	-webkit-box-shadow:
-		0 0 0 1px #5b9dd9,
-		0 0 2px 1px rgba( 30, 140, 190, 0.8 );
-	box-shadow:
-		0 0 0 1px #5b9dd9,
-		0 0 2px 1px rgba( 30, 140, 190, 0.8 );
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
 }
 
 .ui-button:active {
 	background: #eee;
 	border-color: #999;
-	color: #32373c;
-	-webkit-box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
 	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+	-webkit-transform: translateY(1px);
+	transform: translateY(1px);
 }
 
 .ui-button[disabled],
@@ -247,17 +237,18 @@
 	color: #a0a5aa !important;
 	border-color: #ddd !important;
 	background: #f7f7f7 !important;
-	-webkit-box-shadow: none !important;
 	box-shadow: none !important;
 	text-shadow: 0 1px 0 #fff !important;
 	cursor: default;
+	-webkit-transform: none !important;
+	transform: none !important;
 }
 
 @media screen and ( max-width: 782px ) {
 
 	.ui-button {
-		padding: 10px 14px;
-		line-height: 1;
+		padding: 6px 14px;
+		line-height: normal;
 		font-size: 14px;
 		vertical-align: middle;
 		height: auto;
@@ -274,7 +265,6 @@
 	left: 0;
 	z-index: 100102;
 	background-color: #fff;
-	-webkit-box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
 	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
 }
 
@@ -291,7 +281,6 @@
 .ui-button.ui-dialog-titlebar-close {
 	background: none;
 	border: none;
-	-webkit-box-shadow: none;
 	box-shadow: none;
 	color: #666;
 	cursor: pointer;
@@ -306,7 +295,7 @@
 }
 
 .ui-dialog-titlebar-close:before {
-	font: normal 20px/1 'dashicons';
+	font: normal 20px/1 dashicons;
 	vertical-align: top;
 	speak: none;
 	-webkit-font-smoothing: antialiased;