It's a shame it has these user agent issues out of the box.
Unfortunately your user agent doesn't support this information display method.
X.400 message content standards are defined for communication between user agents.
They may not be supported in all user agents.
However, user agents can be different in the fidelity with which they show the colors.
I'm betting it's more than the user agent but we'll see.
This table shows which video formats are likely to be supported by a given user agent.
My guess is the website uses a user agent to determine what they want you to run.
This article will try to list the inconsistencies between the major user agents.
It sounds like, oh, my god, they were searching for user agents.