Use a separate cookie for root font size.

assets/scripts/routes/common.js

@@ -9,7 +9,7 @@ export default {
 				.addClass( 'js' );
 			$( document ).ready( function () {
 				// Fontsize handler
-				if ( Cookies.get( 'a11y-larger-fontsize' ) === '1' ) {
+				if ( Cookies.get( 'a11y-root-larger-fontsize' ) === '1' ) {
 					$( 'html' ).addClass( 'fontsize' );
 					$( '#is_normal_fontsize' )
 						.attr( 'id', 'is_large_fontsize' )
@@ -28,9 +28,9 @@ export default {
 							.addClass( 'active' )
 							.text( PB_A11y.decrease_label )
 							.attr( 'title', PB_A11y.decrease_label );
-						Cookies.set( 'a11y-larger-fontsize', '1', {
+						Cookies.set( 'a11y-root-larger-fontsize', '1', {
 							expires: 365,
-							path:    '',
+							path:    '/',
 						} );
 						return false;
 					} else {
@@ -41,9 +41,9 @@ export default {
 							.removeClass( 'active' )
 							.text( PB_A11y.increase_label )
 							.attr( 'title', PB_A11y.increase_label );
-						Cookies.set( 'a11y-larger-fontsize', '0', {
+						Cookies.set( 'a11y-root-larger-fontsize', '0', {
 							expires: 365,
-							path:    '',
+							path:    '/',
 						} );
 						return false;
 					}

dist/mix-manifest.json

@@ -1,5 +1,5 @@
 {
-    "/scripts/aldine.js": "/scripts/aldine.js?id=1f58027f7de9942caf57",
+    "/scripts/aldine.js": "/scripts/aldine.js?id=e222d7e1e1c71c6bdb98",
     "/styles/aldine.css": "/styles/aldine.css?id=2648daa49889948f53c9",
     "/styles/editor.css": "/styles/editor.css?id=e96b3d10ea63fa07d09b",
     "/scripts/customizer.js": "/scripts/customizer.js?id=1b0d3cfc1d85f460af53",

inc/activation/namespace.php

@@ -21,7 +21,7 @@ function create_default_content() {
 			$home_content = apply_filters(
 				'pb_root_home_page_content',
 				sprintf(
-					'[aldine_page_section title="%1$s"]<p>"%2$s</p><p>[aldine_call_to_action link="/about" text="%3$s"]</p>',
+					'[aldine_page_section title="%1$s"]<p>%2$s</p><p>[aldine_call_to_action link="/about" text="%3$s"]</p>[/aldine_page_section]',
 					__( 'About Pressbooks', 'pressbooks-aldine' ),
 					__( 'Pressbooks is easy-to-use book writing software that lets you create a book in all the formats you need to publish.', 'pressbooks-aldine' ),
 					__( 'Learn More', 'pressbooks-aldine' )
@@ -69,10 +69,7 @@ function create_default_content() {
 			],
 			'home' => [
 				'post_title' => __( 'Home', 'pressbooks-aldine' ),
-				'post_content' => sprintf(
-					'<div class="page-section">%s</div>',
-					$home_content
-				),
+				'post_content' => $home_content,
 			],
 		];