diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-admin/css/widgets-rtl.css
--- a/wp/wp-admin/css/widgets-rtl.css	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-admin/css/widgets-rtl.css	Mon Oct 14 17:39:30 2019 +0200
@@ -3,8 +3,6 @@
 .widget {
 	margin: 0 auto 10px;
 	position: relative;
-	-webkit-box-sizing: border-box;
-	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 }
 
@@ -14,17 +12,20 @@
 	background: #f7f7f7;
 }
 
-.widget-top a.widget-action,
-.widget-top a.widget-action:hover {
-	-webkit-box-shadow: none;
-	box-shadow: none;
+.widget-top .widget-action {
+	border: 0;
+	margin: 0;
+	padding: 10px;
+	background: none;
+	cursor: pointer;
 	outline: none;
-	text-decoration: none;
 }
 
+.widget-title h3,
 .widget-title h4 {
 	margin: 0;
 	padding: 15px;
+	font-size: 1em;
 	line-height: 1;
 	overflow: hidden;
 	white-space: nowrap;
@@ -41,6 +42,10 @@
 	line-height: 16px;
 }
 
+.widget.widget-dirty .widget-control-close-wrapper {
+	display: none;
+}
+
 .in-widget-title,
 #widgets-right a.widget-control-edit,
 #available-widgets .widget-description {
@@ -48,10 +53,190 @@
 }
 
 .deleting .widget-title,
-.deleting .widget-top a.widget-action:after {
+.deleting .widget-top .widget-action .toggle-indicator:before {
 	color: #a0a5aa;
 }
 
+/* Media Widgets */
+.wp-core-ui .media-widget-control.selected .placeholder,
+.wp-core-ui .media-widget-control.selected .not-selected,
+.wp-core-ui .media-widget-control .selected {
+	display: none;
+}
+
+.media-widget-control.selected .selected {
+	display: inline-block;
+}
+
+.media-widget-buttons {
+	text-align: right;
+	margin-top: 0;
+}
+
+.media-widget-control .media-widget-buttons .button {
+	width: auto;
+	height: auto;
+	margin-top: 12px;
+	white-space: normal;
+}
+
+.media-widget-buttons .button:first-child {
+	margin-left: 8px;
+}
+
+.media-widget-control .placeholder {
+	border: 1px dashed #b4b9be;
+	box-sizing: border-box;
+	cursor: pointer;
+	line-height: 20px;
+	padding: 9px 0;
+	position: relative;
+	text-align: center;
+	width: 100%;
+}
+
+.media-widget-control .media-widget-preview {
+	background: transparent;
+	text-align: center;
+}
+.media-widget-control .media-widget-preview .notice {
+	text-align: initial;
+}
+.media-frame .media-widget-embed-notice p code,
+.media-widget-control .notice p code {
+	padding: 0 0 0 3px;
+}
+.media-frame .media-widget-embed-notice {
+	margin-top: 16px;
+}
+.media-widget-control .media-widget-preview img {
+	max-width: 100%;
+	vertical-align: middle;
+}
+.media-widget-control .media-widget-preview .wp-video-shortcode {
+	background: #000;
+}
+
+.media-frame.media-widget .media-toolbar-secondary {
+	min-width: 300px;
+}
+
+.media-frame.media-widget .image-details .embed-media-settings .setting.align,
+.media-frame.media-widget .attachment-display-settings .setting.align,
+.media-frame.media-widget .embed-media-settings .setting.align,
+.media-frame.media-widget .embed-link-settings .setting.link-text,
+.media-frame.media-widget .replace-attachment,
+.media-frame.media-widget .checkbox-setting.autoplay {
+	display: none;
+}
+
+.media-widget-video-preview {
+	width: 100%;
+}
+
+.media-widget-video-link {
+	display: inline-block;
+	min-height: 132px;
+	width: 100%;
+	background: black;
+}
+
+.media-widget-video-link .dashicons {
+	font: normal 60px/1 'dashicons';
+	position: relative;
+	width: 100%;
+	top: -90px;
+	color: white;
+	text-decoration: none;
+}
+
+.media-widget-video-link.no-poster .dashicons {
+	top: 30px;
+}
+
+.media-frame #embed-url-field.invalid,
+.media-widget-image-link > .link:invalid {
+	border: 1px solid #dc3232;
+}
+
+.media-widget-image-link {
+	margin: 1em 0;
+}
+
+.media-widget-gallery-preview {
+	display: -webkit-box;
+	display: flex;
+	-webkit-box-pack: start;
+	justify-content: flex-start;
+	flex-wrap: wrap;
+	margin: -1.79104477%;
+}
+
+.media-widget-preview.media_gallery,
+.media-widget-preview.media_image {
+	cursor: pointer;
+}
+
+.media-widget-preview .placeholder {
+	background: #f1f1f1;
+}
+
+.media-widget-gallery-preview .gallery-item {
+	box-sizing: border-box;
+	width: 50%;
+	margin: 0;
+	background: transparent;
+}
+
+.media-widget-gallery-preview .gallery-item .gallery-icon {
+	margin: 4.5%;
+}
+
+/*
+ * Use targeted nth-last-child selectors to control the size of each image
+ * based on how many gallery items are present in the grid.
+ * See: https://alistapart.com/article/quantity-queries-for-css
+ */
+.media-widget-gallery-preview .gallery-item:nth-last-child(3):first-child,
+.media-widget-gallery-preview .gallery-item:nth-last-child(3):first-child ~ .gallery-item,
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+5),
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+5) ~ .gallery-item,
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+6),
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+6) ~ .gallery-item {
+	max-width: 33.33%;
+}
+
+.media-widget-gallery-preview .gallery-item img {
+	height: auto;
+	vertical-align: bottom;
+}
+
+.media-widget-gallery-preview .gallery-icon {
+	position: relative;
+}
+
+.media-widget-gallery-preview .gallery-icon-placeholder {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	width: 100%;
+	box-sizing: border-box;
+	display: -webkit-box;
+	display: flex;
+	-webkit-box-align: center;
+	align-items: center;
+	-webkit-box-pack: center;
+	justify-content: center;
+	background-color: rgba( 0, 0, 0, .5 );
+}
+
+.media-widget-gallery-preview .gallery-icon-placeholder-text {
+	font-weight: 600;
+	font-size: 2em;
+	color: white;
+}
+
+
 /* Widget Dragging Helpers */
 .widget.ui-draggable-dragging {
 	min-width: 100%;
@@ -66,8 +251,6 @@
 	margin: 0 auto 10px;
 	height: 45px;
 	width: 100%;
-	-webkit-box-sizing: border-box;
-	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 }
 
@@ -84,22 +267,56 @@
 /* Widget Sidebars */
 .sidebar-name {
 	position: relative;
-	-webkit-box-sizing: border-box;
-	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 }
 
-.sidebar-name-arrow {
-	position: absolute;
-	top: 0;
-	left: 0;
-	bottom: 0;
-}
-
 .js .sidebar-name {
 	cursor: pointer;
 }
 
+.sidebar-name .handlediv {
+	float: left;
+	width: 38px;
+	height: 38px;
+	border: 0;
+	margin: 0;
+	padding: 8px;
+	background: none;
+	cursor: pointer;
+	outline: none;
+}
+
+#widgets-right .sidebar-name .handlediv {
+	margin: 5px 0 0 3px;
+}
+
+.sidebar-name .handlediv:focus {
+	box-shadow: none;
+	outline: none;
+}
+
+#widgets-left .sidebar-name .toggle-indicator {
+	display: none;
+}
+
+#widgets-left .widgets-holder-wrap.closed .sidebar-name .toggle-indicator,
+#widgets-left .sidebar-name:hover .toggle-indicator,
+#widgets-left .sidebar-name .handlediv:focus .toggle-indicator {
+	display: block;
+}
+
+.sidebar-name .toggle-indicator:before {
+	padding: 1px 0 1px 2px;
+	border-radius: 50%;
+}
+
+.sidebar-name .handlediv:focus .toggle-indicator:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.sidebar-name h2,
 .sidebar-name h3 {
 	margin: 0;
 	padding: 8px 10px;
@@ -111,7 +328,12 @@
 	padding: 0 0 15px;
 	margin: 0;
 	font-style: normal;
-	color: #777;
+	color: #72777c;
+}
+
+.widget-holder .description,
+.inactive-sidebar .description {
+	color: #555d66;
 }
 
 #widgets-right .widgets-holder-wrap .description {
@@ -142,18 +364,13 @@
 	margin-bottom: 10px;
 }
 
+div#widgets-left .sidebar-name h2,
 div#widgets-left .sidebar-name h3 {
 	padding: 10px 0;
 	margin: 0 0 0 10px;
 }
 
-div#widgets-left .sidebar-name .sidebar-name-arrow:before {
-	left: 0;
-	top: 4px;
-	padding: 4px 4px 4px 6px;
-}
-
-#widgets-left #available-widgets,
+#widgets-left .widgets-holder-wrap,
 div#widgets-left .widget-holder {
 	background: transparent;
 	border: none;
@@ -161,7 +378,6 @@
 
 #widgets-left .widgets-holder-wrap {
 	border: none;
-	-webkit-box-shadow: none;
 	box-shadow: none;
 }
 
@@ -181,6 +397,13 @@
 	display: block;
 	padding: 10px 15px;
 	font-size: 12px;
+	overflow-wrap: break-word;
+	word-wrap: break-word;
+	-ms-word-break: break-all;
+	word-break: break-word;
+	-ms-hyphens: auto;
+	-webkit-hyphens: auto;
+	hyphens: auto;
 }
 
 #available-widgets #widget-list {
@@ -195,7 +418,6 @@
 	padding: 0;
 	margin: 0 0 20px 0;
 	border: none;
-	-webkit-box-shadow: none;
 	box-shadow: none;
 }
 
@@ -223,14 +445,6 @@
 
 /* Widgets Right */
 
-div#widgets-right:after {
-	content: ".";
-	display: block;
-	height: 0;
-	clear: both;
-	visibility: hidden;
-}
-
 div#widgets-right .sidebars-column-1,
 div#widgets-right .sidebars-column-2 {
 	max-width: 450px;
@@ -245,15 +459,11 @@
 	margin-top: -5px;
 }
 
+div#widgets-right .sidebar-name h2,
 div#widgets-right .sidebar-name h3 {
 	padding: 15px 7px;
 }
 
-div#widgets-right .sidebar-name .sidebar-name-arrow:before {
-	left: 0;
-	top: 4px;
-}
-
 div#widgets-right .widget-top {
 	padding: 0;
 }
@@ -270,7 +480,8 @@
 	margin-bottom: 0;
 }
 
-.sidebar-name .spinner {
+.sidebar-name .spinner,
+.remove-inactive-widgets .spinner {
 	float: none;
 	position: relative;
 	top: -2px;
@@ -279,8 +490,7 @@
 
 /* Dragging a widget over a closed sidebar */
 #widgets-right .widgets-holder-wrap.widget-hover {
-	border-color: #777;
-	-webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.3);
+	border-color: #72777c;
 	box-shadow: 0 1px 2px rgba(0,0,0,0.3);
 }
 
@@ -346,10 +556,16 @@
 
 .js .widgets-holder-wrap.closed .widget,
 .js .widgets-holder-wrap.closed .sidebar-description,
+.js .widgets-holder-wrap.closed .remove-inactive-widgets,
+.js .widgets-holder-wrap.closed .description,
 .js .closed br.clear {
 	display: none;
 }
 
+.js .widgets-holder-wrap.closed .widget.ui-sortable-helper {
+	display: block;
+}
+
 /* Hide Widget Settings by Default */
 .widget-inside,
 .widget-description {
@@ -363,7 +579,7 @@
 /* Dragging widgets over the available widget area show's a "Deactivate" message */
 #removing-widget {
 	display: none;
-	font-weight: normal;
+	font-weight: 400;
 	padding-right: 15px;
 	font-size: 12px;
 	line-height: 1;
@@ -377,7 +593,7 @@
 .widget-control-noform,
 #access-off,
 .widgets_access .widget-action,
-.widgets_access .sidebar-name-arrow,
+.widgets_access .handlediv,
 .widgets_access #access-on,
 .widgets_access .widget-holder .description,
 .no-js .widget-holder .description {
@@ -402,7 +618,6 @@
 /* Widgets Area Chooser */
 .widget-liquid-left #widgets-left.chooser #available-widgets .widget,
 .widget-liquid-left #widgets-left.chooser .inactive-sidebar {
-	-webkit-transition: opacity 0.1s linear;
 	transition: opacity 0.1s linear;
 }
 
@@ -425,7 +640,6 @@
 div#widgets-right .widget-top:hover,
 #widgets-left .widget-top:hover {
 	border-color: #999;
-	-webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.1);
 	box-shadow: 0 1px 2px rgba(0,0,0,0.1);
 }
 
@@ -452,21 +666,21 @@
 	cursor: pointer;
 	outline: none;
 	position: relative;
-	-webkit-transition: background 0.2s ease-in-out;
 	transition: background 0.2s ease-in-out;
 }
 
+ /* @todo looks like these hover/focus states are overridden by .widgets-chooser-selected */
 .widgets-chooser li:hover,
 .widgets-chooser li:focus {
 	background: rgba(255,255,255,0.7);
 }
 
 .widgets-chooser li:focus:before {
-	content: '\f147';
+	content: "\f147";
 	display: block;
 	-webkit-font-smoothing: antialiased;
-	font: normal 26px/1 'dashicons';
-	color: #999;
+	font: normal 26px/1 dashicons;
+	color: #555d66;
 	position: absolute;
 	top: 7px;
 	right: 5px;
@@ -483,10 +697,10 @@
 
 .widgets-chooser li.widgets-chooser-selected:before,
 .widgets-chooser li.widgets-chooser-selected:focus:before {
-	content: '\f147';
+	content: "\f147";
 	display: block;
 	-webkit-font-smoothing: antialiased;
-	font: normal 26px/1 'dashicons';
+	font: normal 26px/1 dashicons;
 	color: #fff;
 	position: absolute;
 	top: 7px;
@@ -506,6 +720,47 @@
 	cursor: pointer;
 }
 
+#available-widgets .widget.ui-draggable-dragging .widget-top {
+	cursor: move;
+}
+
+/* =Specific widget styling
+-------------------------------------------------------------- */
+.text-widget-fields {
+	position: relative;
+}
+.text-widget-fields [hidden] {
+	display: none;
+}
+.text-widget-fields .wp-pointer.wp-pointer-top {
+	position: absolute;
+	z-index: 3;
+	top: 100px;
+	left: 10px;
+	right: 10px;
+}
+.text-widget-fields .wp-pointer .wp-pointer-arrow {
+	right: auto;
+	left: 15px;
+}
+.text-widget-fields .wp-pointer .wp-pointer-buttons {
+	line-height: 1.4em;
+}
+
+.custom-html-widget-fields > p > .CodeMirror {
+	border: 1px solid #e5e5e5;
+}
+.custom-html-widget-fields code {
+	padding-top: 1px;
+	padding-bottom: 1px;
+}
+ul.CodeMirror-hints {
+	z-index: 101; /* Due to z-index 100 set on .widget.open */
+}
+.widget-control-actions .custom-html-widget-save-button.button.validation-blocked {
+	cursor: not-allowed;
+}
+
 /* =Media Queries
 -------------------------------------------------------------- */
 
@@ -535,7 +790,7 @@
 	}
 
 	div.widget {
-		margin: 0 auto 10px !important;
+		margin: 0 auto !important;
 		max-width: 480px;
 	}
 }