Hello,
The code we used for the demo and added in the "theme specific" area is the following:
<a href="http://www.shape5.com/demo/general_contractor/#s5_bottom_row3_area1" id="s5_requestquote">
<span class="ion-social-whatsapp-outline quote"></span><span class="s5_quotetext">Request a Quote</span>
</a>