URL: https://www.stitcher.com/podcast/true-crime-garage/e/52558040?autoplay=true

Browser / Version: Firefox Mobile 57.0
Operating System: Android 6.0
Tested Another Browser: Yes

Problem type: Design is broken
Description: Blurry button images and
Steps to Reproduce:

1. Open the URL above.

This issue is different that #14228, which the audio constantly stops playing.

Observation
The play button seems blurry, and the audio progress bar 'dot' is cropped (refer to #14228 for correct rendering of these buttons)

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