With the stratospheric rise in the use of mobile devices. And the rise in the popularity of mobile phones; you’d be doing yourself a huge disservice if your website is not designed to respond and adjust to mobile and other devices.
One quick way of doing this would be to use a responsive website design. It’s quick and easy. But, what’s a responsive website? What does it look and/or feel like?
https://www.forbes.com/sites/brianrashid/2017/06/13/5-essential-reasons-and-benefits-why-you-should-be-using-a-responsive-website-design-now/