The first picture shows the problem, having no border, the shiny emoji icon ✨ is very hard to notice on Electric-type Pokémon
The second picture just shows the element after the manual CSS injection I entered to ease my view (background-color: black, seems border does not affect it)
By the way, this post is automatically tagged as "Resolved" for some reason....
Edit - Using the text-shadow property produces better results, I'm no CSS expert, this was obviously a temporary fix for my own convenience