I saw a snippet of code - I tried it - it looks interesting.
The first attempt has a background because of the Wrap.
The second attempt is how it should be.
Them I am sorry that you wasted your time looking at this page !!
- cannot understand it;
- think it is trivial; or
- think it is of no value.
To see the source, click on "View" -> "Source"
My thanks go to Roy Koczela for this bit of code.