I have a slight problem with the unwanted appearance of line breaks after every link in the user menu. I've been poking around for hours now, and there is nothing in either the template, theme or the css that I can remove to get rid of them.

My user menu looks like this:
1
.
2
.
3

when I want it to look like this (as I eventually will replace the numbers with images):

1 . 2 . 3

Parts of system_block_user.html looks like this: