is this Html or HTML5?

Answer 1

@Dharmateja Pothumerthi I am sure pretty much all devices supports HTML5 and CSS3

Answer 2

I'm using iPhone 6s is it compatible? And also the CSS is CSS3 Isn't it? Thanks for the quick reply!

Answer 3

Okay that's good to hear. As long as the courses are HTML5 and CSS3 and not outdated .