You could add a class id to <font color="red">+</font> used for wrapping

In reply to Re: Free Nodelet hack: Syntax colouring by Anonymous Monk
in thread Free Nodelet hack: Syntax colouring by Corion

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":