WEBSITE-265 fix pagination styling

also added new "testimonials" fixture to generate test data

screenshot of fix:
![screenshot](https://www.evernote.com/shard/s3/sh/f674d4a5-dd13-458c-83e1-bb214fa53881/b36b0afa2dcc32b7b1532ee180054ab8/deep/0/Screenshot%208/22/13%201:11%20AM.jpg)