add_action('save_post', 'save_details');
function save_details(){
  global $post;

if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return $post_id;
} else {

  // Custom Page
  update_post_meta($post->ID, "featured_title", $_POST["featured_title"]);
  update_post_meta($post->ID, "featured_img", $_POST["featured_img"]);

}
}