The Home Page of Elan is done using some special styles. We've included the classes for them, and you can easily achieve them by copy/pasting the code included here, and inserting your own text
Use module suffix
span2 absolute absolute-right text-right.
Do not forget to leave white space before the suffix.
- <a class="btn btn-large btn-buy" href="#"> Buy Now </a>
Use JS Shackslides module configuration.