Bootstrap Navbar
A navbar is the top menu. It collapses behind a toggle button on small screens. Resize the result to see the hamburger button appear.
Examplehtml
navbar-expand-md means the menu is laid out horizontally from the md breakpoint up and collapses below it.
Quick check
Which class makes a navbar collapse on small screens and expand at md?
Finish the quick check (and any code exercise) to complete this lesson, or mark it done yourself.
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