<?php
/*
 * Example Shortcode and Globally Enqueued Stylesheet
 *
 */
// Our Shortcode function
function hiroy_shortcode($content = null)
{
		// Enqueue the stylesheet now
		wp_enqueue_style( 'hiroy-css');

 		$content = '<h2>Hi Roy!</h2>';

    return $content;
}
// Our Shortcode Action
add_shortcode('hiroy', 'hiroy_shortcode');

// Register the Stylesheet so it's ready to go.
function hiroy_enqueue_scripts() {
    wp_register_style( 'hiroy-css', 'hiroy.css', 'parent-stylesheet', '1.0', all );
}
// Enqueue Stylesheet Action
add_action( 'wp_enqueue_scripts', 'hiroy_enqueue_scripts' );