How to align an adaptive menu in the center?

Hello, trying to align a menu adaptive center, odd yet not out.
Help or assist how to do it.

Working code with the menu:
https://codepen.io/anon/pen/KXZpge
Kind of screwed, but there site with odd is not left to insert the js, there is only htеps you can write and not http.
June 14th 19 at 19:59
1 answer
June 14th 19 at 20:01
for .NAV :
display:table;
margin:auto;
Thank you sentranusa.

and how about the fact that I have an indent.
margin: 0 15px 0 0; between sections on the horizon. and it turns out that was centriole but not exactly.

apparently in Nauvoo, it is necessary to add margin-right: -15px; - lavonne_Kloc commented on June 14th 19 at 20:04
and so it will not work, because there is margin: auto; - lavonne_Kloc commented on June 14th 19 at 20:07
Remove the last item indent using last-child - miracle_Jacobs4 commented on June 14th 19 at 20:10

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