Unit 02 CSS and Bootstrap Homework: Responsive Portfolio

I Created the following files: index.html, portfolio.html and contact.html.
used Bootstrap, develop my portfolio site.
Screenshots will be provided below.
Navbar is consistent on each page.
Navbar on each page contains links to Home/About, Contact, and Portfolio pages.
All links are working.
I used semantic html.

here's the link that navigate to live web site.

#live screenshot