Index: src/wp-content/themes/twentyeleven/blocks.css
===================================================================
--- src/wp-content/themes/twentyeleven/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyeleven/blocks.css	(working copy)
@@ -234,8 +234,6 @@
 .wp-block-button .wp-block-button__link {
 	background: #222;
 	border: none;
-	-moz-border-radius: 3px;
-	border-radius: 3px;
 	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
 	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
 	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
Index: src/wp-content/themes/twentyeleven/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyeleven/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyeleven/editor-blocks.css	(working copy)
@@ -373,8 +373,6 @@
 .wp-block-button .wp-block-button__link {
 	background: #222;
 	border: none;
-	-moz-border-radius: 3px;
-	border-radius: 3px;
 	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
 	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
 	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
Index: src/wp-content/themes/twentyfifteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentyfifteen/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyfifteen/css/blocks.css	(working copy)
@@ -386,7 +386,6 @@
 .wp-block-button .wp-block-button__link {
 	background-color: #333;
 	border: 0;
-	border-radius: 0;
 	color: #fff;
 	cursor: pointer;
 	font-family: "Noto Sans", sans-serif;
Index: src/wp-content/themes/twentyfifteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(working copy)
@@ -710,7 +710,6 @@
 .wp-block-button .wp-block-button__link {
 	background-color: #333;
 	border: 0;
-	border-radius: 0;
 	color: #fff;
 	cursor: pointer;
 	font-family: "Noto Sans", sans-serif;
Index: src/wp-content/themes/twentyfourteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentyfourteen/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyfourteen/css/blocks.css	(working copy)
@@ -223,7 +223,6 @@
 .wp-block-button .wp-block-button__link {
 	background-color: #24890d;
 	border: 0;
-	border-radius: 2px;
 	color: #fff;
 	font-size: 12px;
 	font-weight: 700;
Index: src/wp-content/themes/twentyfourteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(working copy)
@@ -391,7 +391,6 @@
 .wp-block-button .wp-block-button__link {
 	background-color: #24890d;
 	border: 0;
-	border-radius: 2px;
 	color: #fff;
 	font-size: 12px;
 	font-weight: 700;
Index: src/wp-content/themes/twentyseventeen/assets/css/blocks.css
===================================================================
--- src/wp-content/themes/twentyseventeen/assets/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyseventeen/assets/css/blocks.css	(working copy)
@@ -188,8 +188,6 @@
 
 .wp-block-button .wp-block-button__link {
 	background-color: #222;
-	-webkit-border-radius: 2px;
-	border-radius: 2px;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 	color: #fff;
Index: src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css	(working copy)
@@ -711,8 +711,6 @@
 
 .wp-block-button .wp-block-button__link {
 	background-color: #222;
-	-webkit-border-radius: 2px;
-	border-radius: 2px;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 	color: #fff;
Index: src/wp-content/themes/twentysixteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentysixteen/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentysixteen/css/blocks.css	(working copy)
@@ -234,13 +234,12 @@
 .wp-block-button .wp-block-button__link {
 	background: #1a1a1a;
 	border: 0;
-	border-radius: 2px;
 	color: #fff;
 	font-family: Montserrat, "Helvetica Neue", sans-serif;
 	font-weight: 700;
 	letter-spacing: 0.046875em;
 	line-height: 1;
-	padding: 0.84375em 0.875em 0.78125em;
+	padding: 0.84375em 1.3125em 0.78125em;
 	text-transform: uppercase;
 }
 
Index: src/wp-content/themes/twentysixteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentysixteen/css/editor-blocks.css	(working copy)
@@ -545,7 +545,6 @@
 .wp-block-button .wp-block-button__link {
 	background: #1a1a1a;
 	border: 0;
-	border-radius: 2px;
 	color: #fff;
 	font-family: Montserrat, "Helvetica Neue", sans-serif;
 	font-weight: 700;
Index: src/wp-content/themes/twentythirteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentythirteen/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentythirteen/css/blocks.css	(working copy)
@@ -341,7 +341,6 @@
 	background:   linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
 	border: none;
 	border-bottom: 3px solid #b93207;
-	border-radius: 2px;
 	color: #fff;
 	display: inline-block;
 	font-size: 16px;
Index: src/wp-content/themes/twentythirteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentythirteen/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentythirteen/css/editor-blocks.css	(working copy)
@@ -331,7 +331,6 @@
 	background: linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
 	border: none;
 	border-bottom: 3px solid #b93207;
-	border-radius: 2px;
 	color: #fff;
 	display: inline-block;
 	font-size: 16px;
Index: src/wp-content/themes/twentytwelve/css/blocks.css
===================================================================
--- src/wp-content/themes/twentytwelve/css/blocks.css	(revision 43978)
+++ src/wp-content/themes/twentytwelve/css/blocks.css	(working copy)
@@ -254,7 +254,6 @@
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
 	border: 1px solid #d2d2d2;
-	border-radius: 3px;
 	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
 	color: #7c7c7c;
 	font-family: inherit;
Index: src/wp-content/themes/twentytwelve/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentytwelve/css/editor-blocks.css	(revision 43978)
+++ src/wp-content/themes/twentytwelve/css/editor-blocks.css	(working copy)
@@ -235,7 +235,7 @@
 }
 
 .wp-block-file .wp-block-file__button,
-.wp-block-button .wp-block-button__link:hover {
+.wp-block-button .wp-block-file__button:hover {
 	background-color: #e6e6e6;
 	background-repeat: repeat-x;
 	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
@@ -345,7 +345,6 @@
 	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
 	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
 	border: 1px solid #d2d2d2;
-	border-radius: 3px;
 	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
 	color: #7c7c7c;
 	font-family: inherit;