Index: src/wp-content/themes/twentyfifteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentyfifteen/css/blocks.css	(revision 55918)
+++ src/wp-content/themes/twentyfifteen/css/blocks.css	(working copy)
@@ -395,6 +395,11 @@
 	vertical-align: baseline;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .is-style-outline .wp-block-button__link {
 	border: 2px solid;
 }
Index: src/wp-content/themes/twentyfifteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(revision 55918)
+++ src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(working copy)
@@ -754,6 +754,11 @@
 	vertical-align: baseline;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .wp-block-button__link {
 	background-color: #333;
 	color: #fff;
Index: src/wp-content/themes/twentyfourteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentyfourteen/css/blocks.css	(revision 55918)
+++ src/wp-content/themes/twentyfourteen/css/blocks.css	(working copy)
@@ -242,6 +242,11 @@
 	vertical-align: bottom;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .wp-block-button__link {
 	background-color: #24890d;
 	color: #fff;
Index: src/wp-content/themes/twentyfourteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(revision 55918)
+++ src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(working copy)
@@ -423,6 +423,11 @@
 	vertical-align: bottom;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .wp-block-button__link {
 	background-color: #24890d;
 	color: #fff;
Index: src/wp-content/themes/twentysixteen/css/blocks.css
===================================================================
--- src/wp-content/themes/twentysixteen/css/blocks.css	(revision 55918)
+++ src/wp-content/themes/twentysixteen/css/blocks.css	(working copy)
@@ -252,6 +252,11 @@
 	text-transform: uppercase;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .wp-block-button__link {
 	background: #1a1a1a;
 	color: #fff;
Index: src/wp-content/themes/twentysixteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 55918)
+++ src/wp-content/themes/twentysixteen/css/editor-blocks.css	(working copy)
@@ -555,6 +555,11 @@
 	text-transform: uppercase;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .wp-block-button__link {
 	background: #1a1a1a;
 	color: #fff;
Index: src/wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css
===================================================================
--- src/wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(revision 55918)
+++ src/wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(working copy)
@@ -945,6 +945,11 @@
 	text-transform: uppercase;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .editor-styles-wrapper .wp-block-button .wp-block-button__link.mce-content-body {
 	line-height: 1.1;
 }
Index: src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css
===================================================================
--- src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css	(revision 55918)
+++ src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css	(working copy)
@@ -949,6 +949,11 @@
 	text-transform: uppercase;
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 .editor-styles-wrapper .wp-block-button .wp-block-button__link.mce-content-body {
 	line-height: 1.1;
 }
Index: src/wp-content/themes/twentytwenty/style-rtl.css
===================================================================
--- src/wp-content/themes/twentytwenty/style-rtl.css	(revision 55918)
+++ src/wp-content/themes/twentytwenty/style-rtl.css	(working copy)
@@ -3023,6 +3023,11 @@
 	padding: calc(1.1em - 0.2rem) calc(1.44em - 0.2rem);
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 /* Block: Columns ---------------------------- */
 
 .wp-block-columns.alignfull,
Index: src/wp-content/themes/twentytwenty/style.css
===================================================================
--- src/wp-content/themes/twentytwenty/style.css	(revision 55918)
+++ src/wp-content/themes/twentytwenty/style.css	(working copy)
@@ -3043,6 +3043,11 @@
 	padding: calc(1.1em - 0.2rem) calc(1.44em - 0.2rem);
 }
 
+.wp-block-buttons[style*="text-transform"] .wp-block-button__link,
+.wp-block-button[style*="text-transform"] .wp-block-button__link {
+	text-transform: inherit;
+}
+
 /* Block: Columns ---------------------------- */
 
 .wp-block-columns.alignfull,