diff --git a/.env b/.env
index d393c9b324..42ebc5b924 100644
--- a/.env
+++ b/.env
@@ -12,7 +12,7 @@
 LOCAL_PORT=8889
 
 # Where to run WordPress from. Valid options are 'src' and 'build'.
-LOCAL_DIR=src
+LOCAL_DIR=build
 
 # The PHP version to use. Valid options are 'latest', and '{version}-fpm'.
 LOCAL_PHP=latest
diff --git a/src/wp-admin/css/list-tables.css b/src/wp-admin/css/list-tables.css
index 3f0519e561..cc8c4743ee 100644
--- a/src/wp-admin/css/list-tables.css
+++ b/src/wp-admin/css/list-tables.css
@@ -570,7 +570,7 @@ th.sorted.desc:hover .sorting-indicator.asc:before {
 	position: relative;
 }
 
-.check-column .label-covers-full-cell {
+.check-column label {
 	width: 100%;
 	height: 100%;
 	display: block;
@@ -579,12 +579,12 @@ th.sorted.desc:hover .sorting-indicator.asc:before {
 	left: 0;
 }
 
-.check-column .label-covers-full-cell + input {
+.check-column input {
 	position: relative;
 	z-index: 1;
 }
 
-.check-column .label-covers-full-cell:hover + input {
+.check-column:hover input {
 	box-shadow: 0 0 0 1px #2271b1;
 }
 
diff --git a/src/wp-admin/css/nav-menus.css b/src/wp-admin/css/nav-menus.css
index d85b57b5b4..4fd178dbb0 100644
--- a/src/wp-admin/css/nav-menus.css
+++ b/src/wp-admin/css/nav-menus.css
@@ -837,20 +837,13 @@ body.menu-max-depth-11 { min-width: 1280px !important; }
 
 /* Major/minor publishing actions (classes) */
 .nav-menus-php .major-publishing-actions {
-	clear: both;
 	padding: 10px 0;
-	line-height: 2.15384615;
+	display: flex;
+	align-items: center;
 }
 
-.nav-menus-php .major-publishing-actions .publishing-action {
-	text-align: right;
-	float: right;
-}
-
-/* Same as the Publish Meta Box #delete-action */
-.nav-menus-php .delete-action {
-	float: left;
-	line-height: 2.1;
+.nav-menus-php .major-publishing-actions > * {
+	margin-right: 10px;
 }
 
 .nav-menus-php .major-publishing-actions .form-invalid {
diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index 7d87ae9aab..8b4be36c99 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -895,7 +895,8 @@ class WP_Comments_List_Table extends WP_List_Table {
 
 		if ( $this->user_can ) {
 			?>
-		<label class="label-covers-full-cell" for="cb-select-<?php echo $comment->comment_ID; ?>">
+		<input id="cb-select-<?php echo $comment->comment_ID; ?>" type="checkbox" name="delete_comments[]" value="<?php echo $comment->comment_ID; ?>" />
+		<label for="cb-select-<?php echo $comment->comment_ID; ?>">
 			<span class="screen-reader-text">
 			<?php
 			/* translators: Hidden accessibility text. */
@@ -903,7 +904,6 @@ class WP_Comments_List_Table extends WP_List_Table {
 			?>
 			</span>
 		</label>
-		<input id="cb-select-<?php echo $comment->comment_ID; ?>" type="checkbox" name="delete_comments[]" value="<?php echo $comment->comment_ID; ?>" />
 			<?php
 		}
 	}
diff --git a/src/wp-admin/includes/class-wp-links-list-table.php b/src/wp-admin/includes/class-wp-links-list-table.php
index f29cf7b3e2..7e768e73bb 100644
--- a/src/wp-admin/includes/class-wp-links-list-table.php
+++ b/src/wp-admin/includes/class-wp-links-list-table.php
@@ -174,7 +174,8 @@ class WP_Links_List_Table extends WP_List_Table {
 		$link = $item;
 
 		?>
-		<label class="label-covers-full-cell" for="cb-select-<?php echo $link->link_id; ?>">
+		<input type="checkbox" name="linkcheck[]" id="cb-select-<?php echo $link->link_id; ?>" value="<?php echo esc_attr( $link->link_id ); ?>" />
+		<label for="cb-select-<?php echo $link->link_id; ?>">
 			<span class="screen-reader-text">
 			<?php
 			/* translators: Hidden accessibility text. %s: Link name. */
@@ -182,7 +183,6 @@ class WP_Links_List_Table extends WP_List_Table {
 			?>
 			</span>
 		</label>
-		<input type="checkbox" name="linkcheck[]" id="cb-select-<?php echo $link->link_id; ?>" value="<?php echo esc_attr( $link->link_id ); ?>" />
 		<?php
 	}
 
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index 03fe097538..b47c060035 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -1399,13 +1399,13 @@ class WP_List_Table {
 
 		if ( ! empty( $columns['cb'] ) ) {
 			static $cb_counter = 1;
-			$columns['cb']     = '<label class="label-covers-full-cell" for="cb-select-all-' . $cb_counter . '">' .
+			$columns['cb']     = '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />
+			<label for="cb-select-all-' . $cb_counter . '">' .
 				'<span class="screen-reader-text">' .
 					/* translators: Hidden accessibility text. */
 					__( 'Select All' ) .
 				'</span>' .
-				'</label>' .
-				'<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />';
+				'</label>';
 			$cb_counter++;
 		}
 
diff --git a/src/wp-admin/includes/class-wp-media-list-table.php b/src/wp-admin/includes/class-wp-media-list-table.php
index 9eae94ef92..5de37266f6 100644
--- a/src/wp-admin/includes/class-wp-media-list-table.php
+++ b/src/wp-admin/includes/class-wp-media-list-table.php
@@ -419,7 +419,8 @@ class WP_Media_List_Table extends WP_List_Table {
 
 		if ( current_user_can( 'edit_post', $post->ID ) ) {
 			?>
-			<label class="label-covers-full-cell" for="cb-select-<?php echo $post->ID; ?>">
+			<input type="checkbox" name="media[]" id="cb-select-<?php echo $post->ID; ?>" value="<?php echo $post->ID; ?>" />
+			<label for="cb-select-<?php echo $post->ID; ?>">
 				<span class="screen-reader-text">
 				<?php
 				/* translators: Hidden accessibility text. %s: Attachment title. */
@@ -427,7 +428,6 @@ class WP_Media_List_Table extends WP_List_Table {
 				?>
 				</span>
 			</label>
-			<input type="checkbox" name="media[]" id="cb-select-<?php echo $post->ID; ?>" value="<?php echo $post->ID; ?>" />
 			<?php
 		}
 	}
diff --git a/src/wp-admin/includes/class-wp-ms-sites-list-table.php b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
index ec48bf37c7..55261061c1 100644
--- a/src/wp-admin/includes/class-wp-ms-sites-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
@@ -420,7 +420,9 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 		if ( ! is_main_site( $blog['blog_id'] ) ) :
 			$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
 			?>
-			<label class="label-covers-full-cell" for="blog_<?php echo $blog['blog_id']; ?>">
+			<input type="checkbox" id="blog_<?php echo $blog['blog_id']; ?>" name="allblogs[]"
+				value="<?php echo esc_attr( $blog['blog_id'] ); ?>" />
+			<label for="blog_<?php echo $blog['blog_id']; ?>">
 				<span class="screen-reader-text">
 				<?php
 				/* translators: %s: Site URL. */
@@ -428,8 +430,6 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 				?>
 				</span>
 			</label>
-			<input type="checkbox" id="blog_<?php echo $blog['blog_id']; ?>" name="allblogs[]"
-				value="<?php echo esc_attr( $blog['blog_id'] ); ?>" />
 			<?php
 		endif;
 	}
diff --git a/src/wp-admin/includes/class-wp-ms-themes-list-table.php b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
index 4b94e53921..64ebfc55d4 100644
--- a/src/wp-admin/includes/class-wp-ms-themes-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
@@ -512,7 +512,8 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 		$theme       = $item;
 		$checkbox_id = 'checkbox_' . md5( $theme->get( 'Name' ) );
 		?>
-		<label class="label-covers-full-cell" for="<?php echo $checkbox_id; ?>" >
+		<input type="checkbox" name="checked[]" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" id="<?php echo $checkbox_id; ?>" />
+		<label for="<?php echo $checkbox_id; ?>" >
 			<span class="screen-reader-text">
 			<?php
 			printf(
@@ -523,7 +524,6 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 			?>
 			</span>
 		</label>
-		<input type="checkbox" name="checked[]" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" id="<?php echo $checkbox_id; ?>" />
 		<?php
 	}
 
diff --git a/src/wp-admin/includes/class-wp-ms-users-list-table.php b/src/wp-admin/includes/class-wp-ms-users-list-table.php
index 2e6772f69d..7d3a7abaed 100644
--- a/src/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -235,7 +235,8 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 			return;
 		}
 		?>
-		<label class="label-covers-full-cell" for="blog_<?php echo $user->ID; ?>">
+		<input type="checkbox" id="blog_<?php echo $user->ID; ?>" name="allusers[]" value="<?php echo esc_attr( $user->ID ); ?>" />
+		<label for="blog_<?php echo $user->ID; ?>">
 			<span class="screen-reader-text">
 			<?php
 			/* translators: Hidden accessibility text. %s: User login. */
@@ -243,7 +244,6 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 			?>
 			</span>
 		</label>
-		<input type="checkbox" id="blog_<?php echo $user->ID; ?>" name="allusers[]" value="<?php echo esc_attr( $user->ID ); ?>" />
 		<?php
 	}
 
diff --git a/src/wp-admin/includes/class-wp-plugins-list-table.php b/src/wp-admin/includes/class-wp-plugins-list-table.php
index 56e76251da..4dca18f320 100644
--- a/src/wp-admin/includes/class-wp-plugins-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugins-list-table.php
@@ -993,8 +993,8 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			$checkbox = '';
 		} else {
 			$checkbox = sprintf(
-				'<label class="label-covers-full-cell" for="%1$s"><span class="screen-reader-text">%2$s</span></label>' .
-				'<input type="checkbox" name="checked[]" value="%3$s" id="%1$s" />',
+				'<input type="checkbox" name="checked[]" value="%3$s" id="%1$s" />' .
+				'<label for="%1$s"><span class="screen-reader-text">%2$s</span></label>',
 				$checkbox_id,
 				/* translators: Hidden accessibility text. %s: Plugin name. */
 				sprintf( __( 'Select %s' ), $plugin_data['Name'] ),
diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index 6e9bcdc527..62a13355ab 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -1033,7 +1033,8 @@ class WP_Posts_List_Table extends WP_List_Table {
 		 */
 		if ( apply_filters( 'wp_list_table_show_post_checkbox', $show, $post ) ) :
 			?>
-			<label class="label-covers-full-cell" for="cb-select-<?php the_ID(); ?>">
+			<input id="cb-select-<?php the_ID(); ?>" type="checkbox" name="post[]" value="<?php the_ID(); ?>" />
+			<label for="cb-select-<?php the_ID(); ?>">
 				<span class="screen-reader-text">
 				<?php
 					/* translators: %s: Post title. */
@@ -1041,7 +1042,6 @@ class WP_Posts_List_Table extends WP_List_Table {
 				?>
 				</span>
 			</label>
-			<input id="cb-select-<?php the_ID(); ?>" type="checkbox" name="post[]" value="<?php the_ID(); ?>" />
 			<div class="locked-indicator">
 				<span class="locked-indicator-icon" aria-hidden="true"></span>
 				<span class="screen-reader-text">
diff --git a/src/wp-admin/includes/class-wp-privacy-requests-table.php b/src/wp-admin/includes/class-wp-privacy-requests-table.php
index cbc8c01892..8070cac61a 100644
--- a/src/wp-admin/includes/class-wp-privacy-requests-table.php
+++ b/src/wp-admin/includes/class-wp-privacy-requests-table.php
@@ -416,8 +416,8 @@ abstract class WP_Privacy_Requests_Table extends WP_List_Table {
 	 */
 	public function column_cb( $item ) {
 		return sprintf(
-			'<label class="label-covers-full-cell" for="requester_%1$s"><span class="screen-reader-text">%2$s</span></label>' .
-			'<input type="checkbox" name="request_id[]" id="requester_%1$s" value="%1$s" /><span class="spinner"></span>',
+			'<input type="checkbox" name="request_id[]" id="requester_%1$s" value="%1$s" /><span class="spinner"></span>' .
+			'<label for="requester_%1$s"><span class="screen-reader-text">%2$s</span></label>',
 			esc_attr( $item->ID ),
 			/* translators: Hidden accessibility text. %s: Email address. */
 			sprintf( __( 'Select %s' ), $item->email )
diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index 3c277d6a61..e6b6d90a7f 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -365,8 +365,8 @@ class WP_Terms_List_Table extends WP_List_Table {
 
 		if ( current_user_can( 'delete_term', $tag->term_id ) ) {
 			return sprintf(
-				'<label class="label-covers-full-cell" for="cb-select-%1$s"><span class="screen-reader-text">%2$s</span></label>' .
-				'<input type="checkbox" name="delete_tags[]" value="%1$s" id="cb-select-%1$s" />',
+				'<input type="checkbox" name="delete_tags[]" value="%1$s" id="cb-select-%1$s" />' .
+				'<label for="cb-select-%1$s"><span class="screen-reader-text">%2$s</span></label>',
 				$tag->term_id,
 				/* translators: Hidden accessibility text. %s: Taxonomy term name. */
 				sprintf( __( 'Select %s' ), $tag->name )
diff --git a/src/wp-admin/includes/class-wp-users-list-table.php b/src/wp-admin/includes/class-wp-users-list-table.php
index 43abd608ae..21638140b5 100644
--- a/src/wp-admin/includes/class-wp-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-users-list-table.php
@@ -524,8 +524,8 @@ class WP_Users_List_Table extends WP_List_Table {
 
 			// Set up the checkbox (because the user is editable, otherwise it's empty).
 			$checkbox = sprintf(
-				'<label class="label-covers-full-cell" for="user_%1$s"><span class="screen-reader-text">%2$s</span></label>' .
-				'<input type="checkbox" name="users[]" id="user_%1$s" class="%3$s" value="%1$s" />',
+				'<input type="checkbox" name="users[]" id="user_%1$s" class="%3$s" value="%1$s" />' .
+				'<label for="user_%1$s"><span class="screen-reader-text">%2$s</span></label>',
 				$user_object->ID,
 				/* translators: Hidden accessibility text. %s: User login. */
 				sprintf( __( 'Select %s' ), $user_object->user_login ),
diff --git a/src/wp-admin/nav-menus.php b/src/wp-admin/nav-menus.php
index 1758bfe221..3c535c9dbb 100644
--- a/src/wp-admin/nav-menus.php
+++ b/src/wp-admin/nav-menus.php
@@ -1149,7 +1149,10 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 						</div><!-- /#post-body-content -->
 					</div><!-- /#post-body -->
 					<div id="nav-menu-footer">
-						<div class="major-publishing-actions wp-clearfix">
+						<div class="major-publishing-actions">
+							<div class="publishing-action">
+								<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
+							</div><!-- END .publishing-action -->
 							<?php if ( $menu_count > 0 ) : ?>
 
 								<?php if ( $add_new_screen ) : ?>
@@ -1178,9 +1181,6 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 								<?php endif; ?>
 
 							<?php endif; ?>
-							<div class="publishing-action">
-								<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
-							</div><!-- END .publishing-action -->
 						</div><!-- END .major-publishing-actions -->
 					</div><!-- /#nav-menu-footer -->
 				</div><!-- /.menu-edit -->
diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 8949f39e33..cf180eaf4a 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -571,7 +571,7 @@ function list_plugin_updates() {
 	<tr>
 		<td class="check-column">
 			<?php if ( $compatible_php ) : ?>
-				<label for="<?php echo $checkbox_id; ?>" class="label-covers-full-cell">
+				<label for="<?php echo $checkbox_id; ?>">
 					<span class="screen-reader-text">
 					<?php
 					/* translators: Hidden accessibility text. %s: Plugin name. */
@@ -749,7 +749,7 @@ function list_theme_updates() {
 	<tr>
 		<td class="check-column">
 			<?php if ( $compatible_wp && $compatible_php ) : ?>
-				<label for="<?php echo $checkbox_id; ?>" class="label-covers-full-cell">
+				<label for="<?php echo $checkbox_id; ?>">
 					<span class="screen-reader-text">
 					<?php
 					/* translators: Hidden accessibility text. %s: Theme name. */