How to post in menu bar (Vegeta-Blogger-Template)

[my add]

I like to know- how do I post in Menu Bar. Currently when I try to post it’s appear home page. But I need to post it in menu bar.

Suppose I post for Politics Issue and need the post place in Politics menu bar. When I will post for Pets so post need to place in Pets menu bar. Please advise me.

[my add]

Look for this in your template

<ul class='menunav'><li class='firstli'><a href='/'>Home</a></li>
<li><a href='http://flatdiary.blogspot.com/p/about-flat-diary.html'>About</a></li>
<li>
<a href='your-link-here'>  Portfolio</a>
<ul>
<li><a href='your-link-here'>Web Design</a></li>
<li><a href='your-link-here'>Development</a></li>
<li><a href='your-link-here'>Illustrations</a></li>
</ul>
</li>
<li><a href='your-link-here'>404</a></li>
<li><a href='your-link-here'>Contact</a></li>
<li><a href='your-link-here'>Themes</a></li>

</ul>

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