Pattern: .dropdown

.dropdown

Dropdown Button.
Source:
Example
<div class="dropdown">
    <p>
        <button class="btn btn-default dropdown-toggle" type="button">
            Buy Now
            <span class="caret"></span>
        </button>
    </p>
    <ul class="dropdown-menu">
        <li><a href="" class="btn btn-primary">Rich in Chicken</a></li>
        <li><a href="" class="btn btn-primary">Rich in Duck</a></li>
        <li><a href="" class="btn btn-primary">Rich in Salmon</a></li>
    </ul>
</div>