No its not really a shortcode, its just text wrapped in a div called “quote”. Here is the exact code –
<div class="quote">"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam."
<p><strong> - Wes Straham</strong></p></div>
<div class="quote-arrow"></div>