Issue Summary

The playback speed drop down control in Media Video player has dark background and the text is also dark blue making it very hard to see the text options on the dropdown.

Steps to Reproduce

1. Click on the play back speed Icon on the video player
2. Playback speed dropdown is shown. 

Expected Results

The options shown on the playback speed control are visible.

Actual Results

The options shown on the playback speed control are not readable.

Workaround

Selecting dark theme for the site makes the text white and the playback speed control starts to show text which is readable.