Bootstrap - How to add a logo to navbar class?

Question

I would like to add a logo to the top navbar within the navbar-brand. I would like it to scale with the viewport size so I\'m using img-responsive2 class.

It appear that

Answer 1

Enter the image and give height:100%;width:auto then just change the height of navbar itself to resize image. There is a really good example in codepen. https://codepen.io/bootstrapped/pen/KwYGwq