enqueue style.css

functions.php

@@ -1,2 +1,10 @@
 <?php
 
+function cmt_styles() {
+    wp_register_style( 'custom-styles', get_template_directory_uri() . '/style.css' );
+
+	add_theme_support( 'editor-styles' );
+	add_editor_style( 'style.css' );
+}
+add_action( 'after_setup_theme', 'cmt_block_styles' );
+wp_enqueue_style( 'custom-styles' );