Here is the exact code from the demo –
<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."
</div>
<div class="quote-arrow"></div>
Add the above to your text widget and it should work fine. I also added an image in the demo right under it. To add an image you can do something like this –
<img src="link_to_your_image.jpg" alt="image title goes here" />
I adjusted the code in the buttons demo by using github, so it should be easier to read now. You’ll see there are 3 sections for the white, gray, and black…..so just pick 1 of those to use for your sidebar.