Need help with html, css (why class doesn ' work)

General
1

https://codepen.io/alekskardo/pen/KZXGXR?editors=1100

2

In case you are talking about the pull-right class: It should be used on the nav, not the individual nav items.

3

no , I’m thinking about .nav-pills and .pageOne class… body in css work, but class no…