User blog comment:WitherB0$$398/3rd MMT (Monthly Moomooio Tournament)/@comment-31583345-20180408194732/@comment-31984232-20180409020540

The Message Box? That has to do with the link from the email, It's highlighting the post it's linking to. Like yours is red to me right now, but the next time if I am not being directed to a specific comment, then none will be red.