please see this link
[a link](http://ri.search.yahoo.com/_ylt=A0LEV0w1UyRTQ3EAakdXNyoA;_ylu=X3oDMTByMG04Z2o2BHNlYwNzcgRwb3MDMQRjb2xvA2JmMQR2dGlkAw--/RV=1/RE=1394975926/RO=10/RU=http%3a%2f%2ftympanus.net%2fcodrops%2f2013%2f05%2f08%2fresponsive-retina-ready-menu%2f/RS=%5EADAAeYN7u1oFlFS9NWV3b_NcK_.Vr8-)

by hover on link we can see a circle highlight around the icon, can we change color of highlight? for example red or blue?

I looked at `highlightNav.js` also all css but dont find where we can change the color of highlight.