Index: src/wp-admin/css/admin-menu.css
===================================================================
--- src/wp-admin/css/admin-menu.css	(revision 49914)
+++ src/wp-admin/css/admin-menu.css	(working copy)
@@ -451,13 +451,12 @@
 /* flyout menu arrow */
 #adminmenu li.wp-has-submenu.wp-not-current-submenu:hover:after {
 	right: 0;
-	border: solid transparent;
+	border: 8px solid transparent;
 	content: " ";
 	height: 0;
 	width: 0;
 	position: absolute;
 	pointer-events: none;
-	border-width: 8px;
 	top: 10px;
 	z-index: 10000;
 }
Index: src/wp-admin/css/common.css
===================================================================
--- src/wp-admin/css/common.css	(revision 49914)
+++ src/wp-admin/css/common.css	(working copy)
@@ -2690,9 +2690,8 @@
 	left: 0;
 	margin-top: 10px;
 	margin-right: 250px; /* FYI box */
-	padding: 10px 26px;
+	padding: 10px 26px 99999px 26px; /* equal height column trick */
 	margin-bottom: -99932px; /* 67px less than the padding below to accommodate footer height */
-	padding-bottom: 99999px; /* equal height column trick */
 }
 
 #section-holder .notice {
@@ -2708,9 +2707,8 @@
 	position: relative;
 	top: 0;
 	right: 0;
-	padding: 16px;
+	padding: 16px 16px 99999px 16px; /* equal height column trick */
 	margin-bottom: -99932px; /* 67px less than the padding below to accommodate footer height */
-	padding-bottom: 99999px; /* equal height column trick */
 	width: 217px;
 	border-left: 1px solid #ddd;
 	background: #f3f3f3;
Index: src/wp-admin/css/customize-controls.css
===================================================================
--- src/wp-admin/css/customize-controls.css	(revision 49914)
+++ src/wp-admin/css/customize-controls.css	(working copy)
@@ -2369,8 +2369,7 @@
 	font-size: 24px;
 	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
 	margin: 30px 0 0 0;
-	padding: 0;
-	padding-bottom: 7px;
+	padding: 0px 0px 7px 0px;
 }
 
 body.cheatin p {
@@ -2388,8 +2387,7 @@
 #customize-theme-controls .add-new-menu-item {
 	cursor: pointer;
 	float: right;
-	margin: 0;
-	margin-left: 10px;
+	margin: 0px 0px 0px 10px;
 	transition: all 0.2s;
 	-webkit-user-select: none;
 	-moz-user-select: none;
Index: src/wp-admin/css/edit.css
===================================================================
--- src/wp-admin/css/edit.css	(revision 49914)
+++ src/wp-admin/css/edit.css	(working copy)
@@ -1725,10 +1725,7 @@
 	}
 
 	.wp_themeSkin .mceSplitButton td a.mceAction {
-		padding-top: 6px;
-		padding-bottom: 6px;
-		padding-left: 6px;
-		padding-right: 3px;
+		padding: 6px 3px 6px 6px;
 	}
 
 	.wp_themeSkin .mceSplitButton td a.mceOpen,
Index: src/wp-admin/css/install.css
===================================================================
--- src/wp-admin/css/install.css	(revision 49914)
+++ src/wp-admin/css/install.css	(working copy)
@@ -36,8 +36,7 @@
 	clear: both;
 	color: #666;
 	font-size: 24px;
-	padding: 0;
-	padding-bottom: 7px;
+	padding: 0px 0px 7px 0px;
 	font-weight: 400;
 }
 
Index: src/wp-admin/css/nav-menus.css
===================================================================
--- src/wp-admin/css/nav-menus.css	(revision 49914)
+++ src/wp-admin/css/nav-menus.css	(working copy)
@@ -386,8 +386,7 @@
 /* Listings */
 .nav-menus-php .list li {
 	display: none;
-	margin: 0;
-	margin-bottom: 5px;
+	margin: 0px 0px 5px 0px;
 }
 
 .nav-menus-php .list li .menu-item-title {