Add foundation.css as editor styles

assets/scss/foundation.scss

@@ -79,6 +79,7 @@
 @import "modules/navigation";
 @import "modules/footer";
 @import "modules/sidebar";
+@import "modules/editor-style";
 
 // Components
 @import "components/buttons";

assets/scss/modules/_editor-style.scss

@@ -0,0 +1,5 @@
+body#tinymce{ 
+	height: auto; //Fix editor style bug
+	max-width: $grid-row-width; //Give the editor a max-width
+	padding: rem-calc(20) !important;
+}

library/theme-support.php

@@ -37,7 +37,10 @@ function foundationpress_theme_support() {
 
 	// Declare WooCommerce support per http://docs.woothemes.com/document/third-party-custom-theme-compatibility/
 	add_theme_support( 'woocommerce' );
+
+	// Add foundation.css as editor style https://codex.wordpress.org/Editor_Style
+	add_editor_style( 'assets/stylesheets/foundation.css' );
 }
 
 add_action( 'after_setup_theme', 'foundationpress_theme_support' );
-endif;
+endif;