<div class="collapse navbar-toggleable-xs" id="exCollapsingNavbar2">
<%= link_to 'FARDIN KHANJANI', root_path, class: 'navbar-brand logo' %>
Yes, it must be something related to the anchor tag active css rule,
a.active rule. You can find out which css rule is actually causing it by inspecting the element.
By using chrome window you can do this. Follow the steps
1) select the desired element in inspector
2) use the
Toggle Element State Option
3) set the state to
Now you can find out which CSS rule is causing the issue and fix it, wither with custom css or modifying the rule in original code.