I discovered that the output panel processes some html tags.
<b>bold</b>
<u>underline</u>
<i>italic</i>
<font color="#4caf50">colored text</font>
What I can't figure out is how to set the background color, and I believe it's possible because the output prefix of a external script shows a light gray background.
So my question is how to set the background color? And is there any other tags besides the above the output panel can interpret?
Thanks!