Learn how to create a responsive website that will work on all devices: PC, laptop, tablet, and phone.
Read on how to do it in this tutorial: https://www.w3schools.com/howto/howto_css_example_website.asp
We have created a free responsive example website with HTML and CSS. Try to rezise the browser window to see the responsive effect:
Try it yourself here: https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_example_website