You'll also need to add (or modify) the onclick attribute to your links. Use this example as a model for your own links: Check out example.com

In August 2016 the National Park Service is turning 100 and to mark this significant anniversary, national park’s across the U.S. are celebrating, including our neighboring national park, Sleeping Bear Dunes National Lakeshore.

Read more by Eliza Foster at UpNorth.com