<prompt> Unda ukurasa wa mtandao unaotoa bidhaa au huduma.Tumia miongozo ifuatayo kujenga ukurasa wa mtandao.  <response>: Here is some HTML and CSS code that can be used to build a web page that offers a product or service:Amazing ProductAmazing Product This is the amazing product that youve been waiting for! It does everything you could ever want, and more. Its the perfect solution to all of your problems, and its available right now for purchase. 99.99Purchase NowThis code creates a basic web page that displays an image of the product and offers a description and price. There is also a button that users can click to purchase the product.Of course, this is just a starting point, and the page can be customized in many ways 