Week 1 Quiz Doesn't Load Completely

Several of the questions on the DLS Course 4, Week 1 Quiz do no render:

It appeared to work OK when I just tested it.

Typically this is a problem with your browser,.
First you could try clearing your cache and cookies.
After that, maybe a different browser.

I usally meet this problem while i use Microsoft Edge. Then, I used Chrome and don’t see it