diff --git a/wp-content/themes/twentyfourteen/css/blocks.css b/wp-content/themes/twentyfourteen/css/blocks.css
index a15b9a3979..a1b6cb5f91 100644
--- a/wp-content/themes/twentyfourteen/css/blocks.css
+++ b/wp-content/themes/twentyfourteen/css/blocks.css
@@ -127,13 +127,13 @@ p.has-drop-cap:not(:focus)::first-letter {
 	width: 100%;
 }
 
-/* Cover Image */
+/* Cover */
 
-.wp-block-cover-image.aligncenter {
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
 	display: flex;
 }
 
-
 /* File */
 
 .wp-block-file .wp-block-file__button {
@@ -242,16 +242,6 @@ p.has-drop-cap:not(:focus)::first-letter {
 	background-color: #55d737;
 }
 
-/* Columns */
-
-.wp-block-columns {
-	margin: 0 -0.5em;
-}
-
-.wp-block-column {
-	margin: 0 0.5em;
-}
-
 /* Separator */
 
 .wp-block-separator {
@@ -263,6 +253,16 @@ p.has-drop-cap:not(:focus)::first-letter {
 	max-width: 100%;
 }
 
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 24px;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
 /*--------------------------------------------------------------
 5.0 Blocks - Widgets
 --------------------------------------------------------------*/
@@ -272,6 +272,7 @@ p.has-drop-cap:not(:focus)::first-letter {
 .wp-block-archives.aligncenter,
 .wp-block-categories.aligncenter,
 .wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
 	margin-left: 20px;
 	text-align: center;
 }
diff --git a/wp-content/themes/twentyfourteen/css/editor-blocks.css b/wp-content/themes/twentyfourteen/css/editor-blocks.css
index 5b89dd6995..421bda895f 100644
--- a/wp-content/themes/twentyfourteen/css/editor-blocks.css
+++ b/wp-content/themes/twentyfourteen/css/editor-blocks.css
@@ -21,9 +21,14 @@ 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 {
+	font-size: 16px;
 	line-height: 1.5;
 }
 
+.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+	font-family: Lato, sans-serif;
+}
+
 .edit-post-visual-editor .editor-block-list__block {
 	color: #2b2b2b;
 }
@@ -68,10 +73,8 @@ Description: Used to style Gutenberg Blocks in the editor.
 
 /* Main column width */
 
-body.gutenberg-editor-page .edit-post-visual-editor .editor-post-title__block,
-body.gutenberg-editor-page .edit-post-visual-editor .editor-default-block-appender,
-body.gutenberg-editor-page .edit-post-visual-editor .editor-block-list__block {
-	max-width: 504px; /* 474 + 30 for editor block padding */
+.wp-block {
+	max-width: 504px; /* 474px + 30px to account for padding */
 }
 
 /* Link styles */
@@ -307,9 +310,10 @@ p.has-drop-cap:not(:focus)::first-letter {
 	}
 }
 
-/* Cover Image */
+/* Cover */
 
-.wp-block-cover-image.aligncenter {
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
 	display: flex;
 }
 
@@ -400,12 +404,24 @@ p.has-drop-cap:not(:focus)::first-letter {
 	line-height: normal;
 }
 
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
 /*--------------------------------------------------------------
 6.0 Blocks - Widgets
 --------------------------------------------------------------*/
 
 /* Archives, Categories & Latest Posts */
 
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-categories ul {
+	list-style-position: inside;
+}
+
 .wp-block-archives li a,
 .wp-block-categories__list li a,
 .wp-block-latest-posts li a {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 72c4247345..1781a9ec31 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-beta3-43872';
+$wp_version = '5.0-beta3-43873';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.