如何从ng-include修改HTML中的标记

So I'm fairly new to web programming and am trying to figure out an effective, organized, and minimal way to put together a website. I pretty much have the whole website coded (tristangianola.com) but right now I hand wrote the code for the navigation bar explicitly in each html file. But now I'm trying to put the nav bar in one html file and import it into each web page using Ajax's "ng-include". My question is...how can I alter specific tags in the ng-included file so that...based on what web page is open, that link will light up a different color.So I'm fairly new to web programming and am try