Customize: Fix alignment of Customize, Activate, and Live Preview buttons appearing on the Themes admin screen.

Amends [41893].
Props Mahvash-Fatima.
See #42215.
Fixes #42275.

Built from https://develop.svn.wordpress.org/trunk@41949


git-svn-id: http://core.svn.wordpress.org/trunk@41783 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/customize-controls.css

@@ -1675,6 +1675,12 @@ p.customize-section-description {
 	margin-right: 12px;
 }
 
+.theme-browser .theme.active .theme-actions,
+.wp-customizer .theme-browser .theme .theme-actions {
+	padding: 10px 15px;
+	box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
+}
+
 @media screen and ( max-width: 640px ) {
 	.customize-section-description-container + #customize-control-custom_css:last-child {
 		margin-right: 0;
@@ -2098,21 +2104,6 @@ p.customize-section-description {
 	font-size: 15px;
 }
 
-.theme-id-container {
-	position: relative;
-}
-
-.theme-browser .theme.active .theme-actions,
-.wp-customizer .theme-browser .theme .theme-actions {
-	position: absolute;
-	top: 50%;
-	-webkit-transform: translateY(-50%);
-	transform: translateY(-50%);
-	right: 0;
-	padding: 10px 15px;
-	box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
-}
-
 #customize-controls .theme-overlay .theme-name {
 	font-size: 32px;
 }
@@ -3042,3 +3033,11 @@ body.adding-widget .add-new-widget:before,
 		box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
 	}
 }
+
+@media screen and ( max-width: 600px ) {
+	.theme-browser .theme.active .theme-actions,
+	.wp-customizer .theme-browser .theme .theme-actions {
+		padding: 8px 15px;
+		box-shadow: none;
+	}
+}