VaultPress::styles PHP Method

    function styles()
    {
        if (!current_user_can('manage_options') || !is_admin()) {
            return;
        }
        wp_enqueue_style('vaultpress-nav', plugins_url('/nav-styles.css', __FILE__), false, date('Ymd'));
        if (isset($_GET['page']) && 'vaultpress' == $_GET['page']) {
            wp_enqueue_style('vaultpress', plugins_url('/styles.css', __FILE__), false, date('Ymd'));
        }
    }