Curriculum challenges dissapeared

Hey guys! Something happened to my browser or device and all the challenges on the list are written with white font. I tried cleaning cache etc, but didn’t help. FFC at my laptop looks like that:

link if image upload didn’t work :link to img

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36.

Currently being tracked as Issue 18110


Thanks and won’t happen again!

Looks exactly the same for me and all of my students. All the challenge names are grayed out.