Separating comments, topics and forums

[RONIK56]

I want to create more separation between comments/topics/forums on my Discourse forum, here what it looks like right now-
Comments, topics, related topics, forums.
Any idea on how to make a more clear separation, how to thicken the border?

[Falco]

@RONIK56

how to thicken the border

Custom CSS can do this, for example:

#suggested-topics {
    border-top: 5px solid pink;
}