[class$="<userid>"], [class$="<userid>"] *, [class$="<userid>"]  :link, [class$="<userid>"]  :visited, a[href$="=<userid>"]  { display: none; }

##</code><code>##

[class$="<userid>"], [class$="<userid>"] *, [class$="<userid>"]  :link, [class$="<userid>"]  :visited { display: none; }
a[href$="=<userid>"]:before { content: "a Troll: "; }