diff --git a/wp-admin/css/colors-classic.dev.css b/wp-admin/css/colors-classic.dev.css
index a9d162304b..9798b12f88 100644
--- a/wp-admin/css/colors-classic.dev.css
+++ b/wp-admin/css/colors-classic.dev.css
@@ -216,7 +216,6 @@ h3.dashboard-widget-title small,
 .stuffbox h3 {
 	border-bottom-color: #D1E5EE;
 	text-shadow: #fff 0 1px 0;
-	-moz-box-shadow: 0 1px 0 #fff;
 	-webkit-box-shadow: 0 1px 0 #fff;
 	box-shadow: 0 1px 0 #fff;
 }
@@ -600,7 +599,6 @@ a,
 #rightnow .reallynow {
 	background-color: #464646;
 	color: #fff;
-	-moz-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	-webkit-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 }
@@ -613,7 +611,6 @@ a,
 #adminmenu	li a.wp-has-current-submenu .update-plugins{
 	background-color: #464646;
 	color: #fff;
-	-moz-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	-webkit-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 }
@@ -753,7 +750,6 @@ table.widefat span.spam a,
 #poststuff .postarea,
 .stuffbox {
 	border-color: #d1e5ee;
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 	-webkit-border-radius: 3px;
@@ -921,10 +917,10 @@ table.widefat .spam a:hover,
 
 #editorcontainer #content,
 #editorcontainer .wp-editor-wrap .wp_themeSkin .mceIframeContainer {
-	-moz-box-shadow: inset 1px 1px 2px rgba( 0, 0, 0, 0.1 );
 	-webkit-box-shadow: inset 1px 1px 2px rgba( 0, 0, 0, 0.1 );
 	box-shadow: inset 1px 1px 2px rgba( 0, 0, 0, 0.1 );
 }
+
 .wp-editor-wrap .wp_themeSkin iframe {
 	background: transparent;
 }
@@ -1400,7 +1396,6 @@ table.widefat .spam a:hover,
 
 #adminmenu .wp-submenu-wrap,
 .folded #adminmenu .wp-has-current-submenu .wp-submenu-wrap {
-	-moz-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 }
@@ -1472,7 +1467,6 @@ table.widefat .spam a:hover,
 	}
 
 	#adminmenu .wp-has-current-submenu .wp-submenu-wrap {
-		-moz-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		-webkit-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	}
@@ -2123,7 +2117,6 @@ div.widgets-sortables,
 	background-image: linear-gradient(top, #ECF8FE, #f7fcfe); /* proposed W3C Markup */
 	text-shadow: #fff 0 1px 0;
 	border-color: #d0dfe9;
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 }
@@ -2304,7 +2297,6 @@ div.widgets-sortables,
 #menu-management .nav-tab-active,
 .menu-item-handle,
 .menu-item-settings {
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 }
@@ -2377,7 +2369,6 @@ div.widgets-sortables,
 	background: #fff;
 	border: 1px #ccc solid;
 
-	-moz-box-shadow:    0 1px 3px rgba( 0, 0, 0, 0.3 );
 	-webkit-box-shadow: 0 1px 3px rgba( 0, 0, 0, 0.3 );
 	box-shadow:         0 1px 3px rgba( 0, 0, 0, 0.3 );
 }
@@ -2399,7 +2390,6 @@ div.widgets-sortables,
 }
 
 .about-wrap li.wp-person img.gravatar {
-	-moz-box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 	box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 }
@@ -2463,7 +2453,6 @@ div.widgets-sortables,
 
 .rtl #adminmenu .wp-submenu-wrap,
 .rtl.folded #adminmenu .wp-has-current-submenu .wp-submenu-wrap{
-	-moz-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 }
@@ -2480,7 +2469,6 @@ div.widgets-sortables,
 /* Auto-folding of the admin menu for RTL */
 @media only screen and (max-width: 900px) {
 	.rtl #adminmenu .wp-has-current-submenu .wp-submenu-wrap{
-		-moz-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		-webkit-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	}
diff --git a/wp-admin/css/colors-fresh.dev.css b/wp-admin/css/colors-fresh.dev.css
index b18fefb4e4..c2c2f268a2 100644
--- a/wp-admin/css/colors-fresh.dev.css
+++ b/wp-admin/css/colors-fresh.dev.css
@@ -207,7 +207,6 @@ h3.dashboard-widget-title small,
 .stuffbox h3 {
 	border-bottom-color: #dfdfdf;
 	text-shadow: #fff 0 1px 0;
-	-moz-box-shadow: 0 1px 0 #fff;
 	-webkit-box-shadow: 0 1px 0 #fff;
 	box-shadow: 0 1px 0 #fff;
 }
@@ -591,7 +590,6 @@ a,
 #rightnow .reallynow {
 	background-color: #464646;
 	color: #fff;
-	-moz-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	-webkit-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 }
@@ -604,7 +602,6 @@ a,
 #adminmenu	li a.wp-has-current-submenu .update-plugins{
 	background-color: #464646;
 	color: #fff;
-	-moz-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	-webkit-box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 	box-shadow: rgba(255,255,255,0.5) 0 1px 0;
 }
@@ -734,7 +731,6 @@ table.widefat span.spam a,
 #poststuff .postarea,
 .stuffbox {
 	border-color: #dfdfdf;
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 	-webkit-border-radius: 3px;
@@ -1074,7 +1070,6 @@ table.widefat .spam a:hover,
 
 #adminmenu .wp-submenu-wrap,
 .folded #adminmenu .wp-has-current-submenu .wp-submenu-wrap {
-	-moz-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 }
@@ -1149,7 +1144,6 @@ table.widefat .spam a:hover,
 	}
 
 	#adminmenu .wp-has-current-submenu .wp-submenu-wrap {
-		-moz-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		-webkit-box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		box-shadow: 2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	}
@@ -1728,7 +1722,6 @@ div.widgets-sortables,
 	color: #464646;
 	text-shadow: #fff 0 1px 0;
 	border-color: #dfdfdf;
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 }
@@ -1906,7 +1899,6 @@ div.widgets-sortables,
 #menu-management .nav-tab-active,
 .menu-item-handle,
 .menu-item-settings {
-	-moz-box-shadow: inset 0 1px 0 #fff;
 	-webkit-box-shadow: inset 0 1px 0 #fff;
 	box-shadow: inset 0 1px 0 #fff;
 }
@@ -1963,8 +1955,6 @@ div.widgets-sortables,
 .about-wrap .feature-section img {
 	background: #fff;
 	border: 1px #ccc solid;
-
-	-moz-box-shadow:    0 1px 3px rgba( 0, 0, 0, 0.3 );
 	-webkit-box-shadow: 0 1px 3px rgba( 0, 0, 0, 0.3 );
 	box-shadow:         0 1px 3px rgba( 0, 0, 0, 0.3 );
 }
@@ -1986,7 +1976,6 @@ div.widgets-sortables,
 }
 
 .about-wrap li.wp-person img.gravatar {
-	-moz-box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 	box-shadow: 0 0 4px rgba( 0, 0, 0, 0.4 );
 }
@@ -2050,7 +2039,6 @@ div.widgets-sortables,
 
 .rtl #adminmenu .wp-submenu-wrap,
 .rtl.folded #adminmenu .wp-has-current-submenu .wp-submenu-wrap{
-	-moz-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	-webkit-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 }
@@ -2067,7 +2055,6 @@ div.widgets-sortables,
 /* Auto-folding of the admin menu for RTL */
 @media only screen and (max-width: 900px) {
 	.rtl #adminmenu .wp-has-current-submenu .wp-submenu-wrap{
-		-moz-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		-webkit-box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 		box-shadow: -2px 2px 5px rgba( 0, 0, 0, 0.4 );
 	}
diff --git a/wp-admin/css/wp-admin.dev.css b/wp-admin/css/wp-admin.dev.css
index a55c4960b4..9c60c2c98d 100644
--- a/wp-admin/css/wp-admin.dev.css
+++ b/wp-admin/css/wp-admin.dev.css
@@ -971,7 +971,6 @@ ul#add-to-blog-users {
 	border-bottom-width: 1px;
 	border-bottom-style: solid;
 	-webkit-box-shadow: 0 1px 0 #fff;
-	-moz-box-shadow: 0 1px 0 #fff;
 	box-shadow: 0 1px 0 #fff;
 }
 
@@ -1368,7 +1367,6 @@ form.upgrade .hint {
 }
 
 #adminmenu .wp-has-current-submenu .wp-submenu-wrap {
-	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 }
@@ -2183,7 +2181,6 @@ html.wp-toolbar {
 
 .postbox.closed h3 {
 	border: none;
-	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 }
@@ -4880,12 +4877,11 @@ input.button-highlighted,
 }
 
 .pressthis a:hover:after {
-	transform: skew(20deg) rotate(9deg);
 	-webkit-transform: skew(20deg) rotate(9deg);
 	-moz-transform: skew(20deg) rotate(9deg);
-	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7);
+	transform: skew(20deg) rotate(9deg);
 	-webkit-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7);
-	-moz-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7);
+	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7);
 }
 
 .pressthis a span {
@@ -4904,12 +4900,12 @@ input.button-highlighted,
 	right: 10px;
 	bottom: 9px;
 	background: transparent;
-	transform: skew(20deg) rotate(6deg);
+
 	-webkit-transform: skew(20deg) rotate(6deg);
 	-moz-transform: skew(20deg) rotate(6deg);
-	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
+	transform: skew(20deg) rotate(6deg);
 	-webkit-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
-	-moz-box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
+	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
 }
 
 
@@ -6304,10 +6300,9 @@ a.rsswidget {
 	background-color: #e29808;
 	background-image: none;
 	border-color: #edc048;
-	-moz-box-shadow: none;
+	color: #fff;
 	-webkit-box-shadow: none;
 	box-shadow: none;
-	color: #fff;
 }
 
 #dashboard_browser_nag.postbox.browser-insecure h3 {
@@ -6318,11 +6313,10 @@ a.rsswidget {
 #dashboard_browser_nag.postbox h3 {
 	border-bottom-color: #f6e2ac;
 	text-shadow: none;
-	-moz-box-shadow: none;
-	-webkit-box-shadow: none;
-	box-shadow: none;
 	background: transparent none;
 	color: #fff;
+	-webkit-box-shadow: none;
+	box-shadow: none;
 }
 
 #dashboard_browser_nag a {
@@ -6353,7 +6347,6 @@ a.rsswidget {
 	font-weight: normal;
 	background: #fff;
 	border: 1px solid #e5e5e5;
-	-moz-box-shadow: rgba(200, 200, 200, 0.7) 0px 4px 10px -1px;
 	-webkit-box-shadow: rgba(200, 200, 200, 0.7) 0px 4px 10px -1px;
 	box-shadow: rgba(200, 200, 200, 0.7) 0px 4px 10px -1px;
 }
@@ -6451,7 +6444,6 @@ a.rsswidget {
 	border: 1px solid #e5e5e5;
 	background: #fbfbfb;
 	outline: none;
-	-moz-box-shadow: inset 1px 1px 2px rgba(200, 200, 200, 0.2);
 	-webkit-box-shadow: inset 1px 1px 2px rgba(200, 200, 200, 0.2);
 	box-shadow: inset 1px 1px 2px rgba(200, 200, 200, 0.2);
 }
@@ -7833,7 +7825,6 @@ div.sidebar-name {
 }
 
 #available-widgets .widget {
-	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 }
diff --git a/wp-includes/css/admin-bar.dev.css b/wp-includes/css/admin-bar.dev.css
index fd8b35d63b..2ea56fd237 100644
--- a/wp-includes/css/admin-bar.dev.css
+++ b/wp-includes/css/admin-bar.dev.css
@@ -111,7 +111,6 @@
 #wpadminbar .shortlink-input {
 	margin: 0 0 0 -1px;
 	padding: 0;
-	-moz-box-shadow: 0 4px 4px rgba(0,0,0,0.2);
 	-webkit-box-shadow: 0 4px 4px rgba(0,0,0,0.2);
 	box-shadow: 0 4px 4px rgba(0,0,0,0.2);
 	background: #fff;
@@ -268,10 +267,7 @@
 	position: relative;
 	right: auto;
 	margin: 0;
-
 	background: #eee;
-
-	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 }
@@ -314,7 +310,6 @@
 #wpadminbar ul li:last-child .ab-item {
 	border-right: 0;
 	-webkit-box-shadow: none;
-	-moz-box-shadow: none;
 	box-shadow: none;
 }
 
@@ -441,7 +436,6 @@
 	-webkit-border-radius: 3px;
 	border-radius: 3px;
 
-	-moz-box-shadow: none;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 
diff --git a/wp-includes/css/editor.dev.css b/wp-includes/css/editor.dev.css
index 6b68cd9b9c..251d2a5699 100644
--- a/wp-includes/css/editor.dev.css
+++ b/wp-includes/css/editor.dev.css
@@ -177,7 +177,6 @@
 	-webkit-border-radius: 2px;
 	border-radius: 2px;
 	-webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
-	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 }
 
@@ -194,7 +193,6 @@
 .wp_themeSkin a.mceButtonActive:hover,
 .wp_themeSkin a.mceButtonSelected {
 	-webkit-box-shadow:	 0 1px 1px rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
-	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 }
 
@@ -229,7 +227,6 @@
 	border-bottom-left-radius: 2px;
 	border-top-left-radius: 2px;
 	-webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
-	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	font-family: Arial, "Bitstream Vera Sans", Helvetica, Verdana, sans-serif;
 	font-size: 12px;
@@ -253,7 +250,6 @@
 	border-bottom-left-radius: 0;
 	border-top-left-radius: 0;
 	-webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
-	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 }
 
@@ -316,7 +312,6 @@
 
 .wp_themeSkin table.mceSplitButton td a {
 	-webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
-	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15), inset 0 0 2px 1px #fff;
 }
 
@@ -1490,7 +1485,6 @@ html[dir="rtl"] .wp-switch-editor {
 /* WP jQuery Dialog Theme */
 .wp-dialog {
 	border: 1px solid #999;
-	-moz-box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 	-webkit-box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 	box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 }
diff --git a/wp-includes/css/jquery-ui-dialog.dev.css b/wp-includes/css/jquery-ui-dialog.dev.css
index a6125b9ca3..a29e4f651a 100644
--- a/wp-includes/css/jquery-ui-dialog.dev.css
+++ b/wp-includes/css/jquery-ui-dialog.dev.css
@@ -83,7 +83,6 @@
 /* WP jQuery Dialog Theme */
 .wp-dialog {
 	border: 1px solid #999;
-	-moz-box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 	-webkit-box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 	box-shadow: 0px 0px 16px rgba( 0,0,0,0.3 );
 }
diff --git a/wp-includes/css/wp-pointer.dev.css b/wp-includes/css/wp-pointer.dev.css
index 381db83c50..4740ed815d 100644
--- a/wp-includes/css/wp-pointer.dev.css
+++ b/wp-includes/css/wp-pointer.dev.css
@@ -17,7 +17,6 @@
 	border-radius: 3px;
 
 	-webkit-box-shadow: 0 2px 4px rgba(0,0,0,.19);
-	-moz-box-shadow: 0 2px 4px rgba(0,0,0,.19);
 	box-shadow: 0 2px 4px rgba(0,0,0,.19);
 }
 
@@ -185,4 +184,4 @@
 .rtl .wp-pointer-bottom .wp-pointer-arrow,
 .rtl .wp-pointer-undefined .wp-pointer-arrow {
 	right: 50px;
-}
\ No newline at end of file
+}