<?php
function register_styles() {
wp_register_style('my-bootstrap', get_template_directory_uri() .
'/libs/bootstrap/css/bootstrap.min.css');
wp_enqueue_style('my-bootstrap');
wp_register_style('style', get_template_directory_uri() .
'/style.css');
wp_enqueue_style('style');
}
add_action( 'wp_enqueue', 'register_styles' );