I am trying to figure out what CSS classes to use to have Bootstrap popovers like this:

The example above is similar to the first example in the bootstrap documentation.
How can I get a popover like the one above working on a div element using only markup, and without needing javascript calls and clicks?
The HTML that will render the popover looks something like this:
However, by default,
.popupisdisplay: noneso you may want to override; in this case, I added a classpopover-exampleand will define the following additional CSS: