a few css changes

So I am pretty happy with my design, but there is a couple of changes I want to do.

I haven’t put so much effort into finding out how to do it, but I have tried several times before.

I want the underline in the commentslink under the post to go away…

I also want the underline on the categories links to go away..

Anyone who can tell where in my codes I can change this? ??

https://www.luksusdyret.com