Transparent color of Bootstrap-3 Navbar

Question

I\'m having problem with setting bootstrap3 navbar transparency or opacity color. I didin\'t change anything in bootstrap.css or bootstrap-theme.css In my menu I\'m Trying

Answer 1

1. Go to http://px64.net/
2. mess around with opacity, add your image or choose color.
3. copy either html or css(css is easier) the site spits out.

4. Select your element aka the navbar.

5. .navbar{ background-image:url(link that the site provides); background-repeat:repeat;

6. Enjoy.