// register jquery and style on initialization
add_action('init', 'register_script');
function register_script(){
	wp_register_script( 'custom_jquery', plugins_url('/js/custom-jquery.js', __FILE__), array('jquery'), '2.5.1' );

	wp_register_style( 'new_style', plugins_url('/css/new-style.css', __FILE__), false, '1.0.0', 'all');
}

// use the registered jquery and style above
add_action('wp_enqueue_scripts', 'enqueue_style');
function enqueue_style(){
	wp_enqueue_script('custom_jquery');

	wp_enqueue_style( 'new_style' );
}