Only one way to find out...
Hyper Text Markup Language is the language of the web. As a web developer, I've been writing HTML since the late 1990s. While hand-coded HTML is great, BootStrap saves me lots of time.
Press Ctrl-U to view the HTML source code
P.S.: This page is responsive. On a mobile browser, view it in portrait layout.
Cascading Style Sheets enable us to do so much more than we could with HTML alone. It helps us keep the HTML 'cleaner'. Also, CSS animation, anybody?
On this page, you will see:
Didn't Abe Lincoln say, "Actions speak louder than words?"