Markup: ..\..\styleguide\templates\molecules\nav-control-arrows.html
<ul class="rocksite-m-direction-nav">
<li class="rocksite-m-nav-prev"><a href="#" class="rocksite-a-button-icon "><i class="la la-angle-left"></i></a></li>
<li class="rocksite-m-nav-next"><a href="#" class="rocksite-a-button-icon "><i class="la la-angle-right"></i></a></li>
</ul>
Source:
../source/scss/components/molecules/_nav-control.scss
, line 127