diff --git a/src/wp-includes/css/buttons.css b/src/wp-includes/css/buttons.css
index bea7873ecb..411b37be94 100644
--- a/src/wp-includes/css/buttons.css
+++ b/src/wp-includes/css/buttons.css
@@ -57,6 +57,7 @@ TABLE OF CONTENTS:
 	border-radius: 3px;
 	white-space: nowrap;
 	box-sizing: border-box;
+	transition: box-shadow 0.1s linear;
 }
 
 /* Remove the dotted border on :focus and the extra padding in Firefox */
@@ -159,7 +160,6 @@ TABLE OF CONTENTS:
 .wp-core-ui .button-secondary:active {
 	background: #f3f5f6;
 	border-color: #7e8993;
-	transform: translateY(1px);
 	box-shadow: none;
 }
 
@@ -265,7 +265,6 @@ TABLE OF CONTENTS:
 .wp-core-ui .button-primary:active {
 	background: #00669b;
 	border-color: #00669b;
-	transform: translateY(1px);
 	box-shadow: none;
 }
 
@@ -322,11 +321,6 @@ TABLE OF CONTENTS:
 	border-color: #016087;
 }
 
-.wp-core-ui .button-group > .button:active,
-.wp-core-ui .button-group > .button.active {
-	transform: translateY(0);
-}
-
 /* ----------------------------------------------------------------------------
   5.0 - Responsive Button Styles
 ---------------------------------------------------------------------------- */