loading style

<?php  //functions.php
function add_theme_scripts() {
  wp_enqueue_style( 'style', get_stylesheet_uri() );

     if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
      wp_enqueue_script( 'comment-reply' );
    }
}
add_action( 'wp_enqueue_scripts', 'add_theme_scripts' );