Unwanted comment borders

[jordannamorgan]

Apparently DW's latest code push fixed a bug that had prevented the style I use (Ciel) from displaying "properly". Now, comments on my journal are all surrounded by a little border with rounded corners--which I'm told the designer originally intended, but it never showed up before because of the bug.

But here's the thing: I don't WANT those borders to be there. I liked my layout and was used to it without them.

So can anyone provide me with a bit of custom code that would remove those borders again? (Thanks in advance for any help.)