Index: wp-content/themes/twentyeleven/colors/dark.css
===================================================================
--- wp-content/themes/twentyeleven/colors/dark.css	(revision 44907)
+++ wp-content/themes/twentyeleven/colors/dark.css	(working copy)
@@ -335,7 +335,7 @@
 	background: -o-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* Opera11.10+ */
 	background: -ms-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* IE10+ */
 	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#000000',GradientType=0 ); /* IE6-9 */
-	background: linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* W3C */
+	background: linear-gradient(to top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* W3C */
 }
 .feature-slider a {
 	background: #c3c3c3;
Index: wp-content/themes/twentyeleven/style.css
===================================================================
--- wp-content/themes/twentyeleven/style.css	(revision 44907)
+++ wp-content/themes/twentyeleven/style.css	(working copy)
@@ -1584,7 +1584,7 @@
 	background: -o-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* Opera11.10+ */
 	background: -ms-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* IE10+ */
 	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ffffff', endColorstr='#ffffff',GradientType=0 ); /* IE6-9 */
-	background: linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* W3C */
+	background: linear-gradient(to top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* W3C */
 	width: 100%;
 	height: 45px;
 	position: absolute;
Index: wp-content/themes/twentytwelve/css/blocks.css
===================================================================
--- wp-content/themes/twentytwelve/css/blocks.css	(revision 44907)
+++ wp-content/themes/twentytwelve/css/blocks.css	(working copy)
@@ -143,7 +143,7 @@
 	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
-	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(to top, #f4f4f4, #e6e6e6);
 	border: 1px solid #d2d2d2;
 	border-radius: 3px;
 	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
@@ -164,7 +164,7 @@
 	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
-	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(to top, #f9f9f9, #ebebeb);
 	background-repeat: repeat-x;
 	color: #5e5e5e;
 }
@@ -175,7 +175,7 @@
 	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
-	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(to top, #ebebeb, #e1e1e1);
 	background-repeat: repeat-x;
 	border-color: transparent;
 	box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
@@ -285,7 +285,7 @@
 	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
-	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(to top, #f4f4f4, #e6e6e6);
 }
 
 .wp-block-button__link:not(.has-text-color) {
@@ -298,7 +298,7 @@
 	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
-	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(to top, #f9f9f9, #ebebeb);
 	background-repeat: repeat-x;
 }
 
@@ -307,7 +307,7 @@
 	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
-	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(to top, #ebebeb, #e1e1e1);
 	background-repeat: repeat-x;
 	border-color: transparent;
 }
Index: wp-content/themes/twentytwelve/css/editor-blocks.css
===================================================================
--- wp-content/themes/twentytwelve/css/editor-blocks.css	(revision 44907)
+++ wp-content/themes/twentytwelve/css/editor-blocks.css	(working copy)
@@ -241,7 +241,7 @@
 	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
-	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(to top, #f4f4f4, #e6e6e6);
 	border: 1px solid #d2d2d2;
 	border-radius: 3px;
 	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
@@ -366,7 +366,7 @@
 	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
-	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(to top, #f4f4f4, #e6e6e6);
 	background-repeat: repeat-x;
 }
 
Index: wp-content/themes/twentytwelve/style.css
===================================================================
--- wp-content/themes/twentytwelve/style.css	(revision 44907)
+++ wp-content/themes/twentytwelve/style.css	(working copy)
@@ -255,7 +255,7 @@
 	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
-	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(to top, #f4f4f4, #e6e6e6);
 	border: 1px solid #d2d2d2;
 	border-radius: 3px;
 	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
@@ -285,7 +285,7 @@
 	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
 	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
-	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(to top, #f9f9f9, #ebebeb);
 }
 .menu-toggle:active,
 .menu-toggle.toggled-on,
@@ -300,7 +300,7 @@
 	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
 	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
-	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(to top, #ebebeb, #e1e1e1);
 	box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
 	border-color: transparent;
 }
@@ -1276,7 +1276,7 @@
 	background-image: -ms-linear-gradient(top, #009cee, #0088d0);
 	background-image: -webkit-linear-gradient(top, #009cee, #0088d0);
 	background-image: -o-linear-gradient(top, #009cee, #0088d0);
-	background-image: linear-gradient(top, #009cee, #0088d0);
+	background-image: linear-gradient(to top, #009cee, #0088d0);
 	border-radius: 3px;
 	border: 1px solid #007cbd;
 }