Bootstrap navbar。 Bootstrap:

Bootstrap:

A navigation bar is a navigation header that is placed at the top of the page. fixed-bottom class to make the navbar fixed. Colored Navbar by using any of the. justify-content-center class to center the navigation bar. Post Views: 1 The navbar is one of the prominent features of Bootstrap sites. A standard navigation bar is created with the. navbar-text class to vertically align any elements inside the navbar that are not links. bg-color classes to change the background color of navbar. the navigation bar can extend or collapse, depending on the screen size.。

2

Bootstrap:

。 。

Bootstrap:

2
。 。

Bootstrap:

。 。

Bootstrap:

。 。

15
。 。

Bootstrap:

。 。

12

Bootstrap:

18
。 。

Bootstrap:

16
。 。