Using Mobile-Responsive Styling Libraries
If you are making a mobile-responsive website or web app then consider using software that will increase the likelihood your product will look good or at least be functional across a variety of screen sizes...
You also will have a lot of resources to take advantage of in speeding up development as many mobile-responsive styling libraries like Bootstrap, Chakra UI, Material Design, TailwindCSS, Bulma, etc. are quite popular...
References:
https://getbootstrap.com/
https://tailwindcss.com/
https://react-bootstrap.github.io/
https://tailwindui.com/
https://demo.themesberg.com/volt/
https://kalygo.io
https://openai.com/blog/chatgpt