diff --git a/wp-content/themes/twentyeleven/editor-blocks.css b/wp-content/themes/twentyeleven/editor-blocks.css
index 8858430e56..b5c6503f23 100644
--- a/wp-content/themes/twentyeleven/editor-blocks.css
+++ b/wp-content/themes/twentyeleven/editor-blocks.css
@@ -20,7 +20,7 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
 	font-size: 15px;
 	font-weight: 300;
diff --git a/wp-content/themes/twentyfifteen/css/editor-blocks.css b/wp-content/themes/twentyfifteen/css/editor-blocks.css
index 89d9c39439..dd8a6f9045 100644
--- a/wp-content/themes/twentyfifteen/css/editor-blocks.css
+++ b/wp-content/themes/twentyfifteen/css/editor-blocks.css
@@ -20,7 +20,7 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-size: 15px;
 	line-height: 1.6;
 }
diff --git a/wp-content/themes/twentyfourteen/css/editor-blocks.css b/wp-content/themes/twentyfourteen/css/editor-blocks.css
index 421bda895f..c54bece49d 100644
--- a/wp-content/themes/twentyfourteen/css/editor-blocks.css
+++ b/wp-content/themes/twentyfourteen/css/editor-blocks.css
@@ -20,12 +20,12 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-size: 16px;
 	line-height: 1.5;
 }
 
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: Lato, sans-serif;
 }
 
diff --git a/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css b/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css
index e2c360cc70..6bd89e19aa 100644
--- a/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css
+++ b/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css
@@ -20,12 +20,12 @@ Description: Used to style Gutenberg Blocks in the editor.
 --------------------------------------------------------------*/
 
 .edit-post-visual-editor .editor-block-list__block,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-size: 15px;
 	font-size: 0.9375rem;
 }
 
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
 }
 
diff --git a/wp-content/themes/twentysixteen/css/editor-blocks.css b/wp-content/themes/twentysixteen/css/editor-blocks.css
index 16d94386e0..47ad227497 100644
--- a/wp-content/themes/twentysixteen/css/editor-blocks.css
+++ b/wp-content/themes/twentysixteen/css/editor-blocks.css
@@ -19,7 +19,7 @@ Description: Used to style Gutenberg Blocks in the editor.
 --------------------------------------------------------------*/
 
 .edit-post-visual-editor .editor-block-list__block,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: Merriweather, Georgia, serif;
 	font-size: 16px;
 	font-size: 1rem;
diff --git a/wp-content/themes/twentyten/editor-blocks.css b/wp-content/themes/twentyten/editor-blocks.css
index 57825421cb..ac79590d42 100644
--- a/wp-content/themes/twentyten/editor-blocks.css
+++ b/wp-content/themes/twentyten/editor-blocks.css
@@ -19,11 +19,11 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-size: 16px;
 }
 
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: Georgia, "Bitstream Charter", serif;
 }
 
diff --git a/wp-content/themes/twentythirteen/css/editor-blocks.css b/wp-content/themes/twentythirteen/css/editor-blocks.css
index c3e9a66d94..768ae53c2d 100644
--- a/wp-content/themes/twentythirteen/css/editor-blocks.css
+++ b/wp-content/themes/twentythirteen/css/editor-blocks.css
@@ -28,7 +28,7 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: "Source Sans Pro", Helvetica, sans-serif;
 	font-size: 16px;
 	font-weight: 400;
diff --git a/wp-content/themes/twentytwelve/css/editor-blocks.css b/wp-content/themes/twentytwelve/css/editor-blocks.css
index b8687a711c..142127bc72 100644
--- a/wp-content/themes/twentytwelve/css/editor-blocks.css
+++ b/wp-content/themes/twentytwelve/css/editor-blocks.css
@@ -20,11 +20,11 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 .edit-post-visual-editor .editor-block-list__block,
 .edit-post-visual-editor .editor-block-list__block p,
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-size: 14px;
 }
 
-.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+.editor-default-block-appender textarea.editor-default-block-appender__content {
 	font-family: "Open Sans", Helvetica, Arial, sans-serif;
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4db02c19f1..f9b602b207 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44311';
+$wp_version = '5.1-alpha-44312';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.