How i can view the page on all devices?

Question

https://code.sololearn.com/WNv8F5vGJIsW/?ref=app

Answer 1

ghadeer rostom

There is a new course on Sololearn which addresses your question.

Responsive web design
https://www.sololearn.com/Course/Responsive-Web-Design/?ref=app

Answer 2

On pc - google chrome read article.
On phone there is option (at least in browser i use) to see desktop version of any web page, but you cant see tablet if you use phone. So use pc to make site responsible.
https://www.browserstack.com/guide/view-mobile-version-of-website-on-chrome