Exercise content is not loading properly

[rifatbd]

Summary

The content of the exercise is not viewing correctly particularly the color code is not working on KALite whereas it is fine on KA website. (see screenshots for clarification)
I checked the the English and Bengali language. It is true in both case.

System information

• Operating system:Ubuntu 16.04LTS
• Version: 0.17 (latest contentpack)
• Browser: Firefox 54

Traceback or relevant snippet from server.log

INSERT TRACEBACK, LOG MESSAGES ETC. HERE

How to reproduce

1. Load the exercise (links with screenshot) (link for en & bn given along with KA link)
2. See hints
3. All but the color code is broken

Screenshots (same exercise might not load but error persists in all the exercise)

https://bn.khanacademy.org/math/on-sixth-grade-math/on-number-sense-numeration/on-ratios-rates-percentages/e/units

http://localhost:8008/api/i18n/set_default_language/?lang=bn&returnUrl=/learn/khan/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-write-and-solve-proportions/units/

https://khanacademy.org/math/on-sixth-grade-math/on-number-sense-numeration/on-ratios-rates-percentages/e/units

http://localhost:8008/api/i18n/set_default_language/?lang=en&returnUrl=/learn/khan/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-write-and-solve-proportions/units/

Real-life consequences (anything community should be aware, for instance how it affects your deployment)

At school students get confused when something unusual shows up in the exercise.