titlestyle="text-decoration: none;"
Between the quotation marks you can use css codes to define the style of the titles. The style will be attached to the <a> link of the title link. This won't change the general view of the fact's title, this will add a style only to the title in the fact, where the folder or the fact is included.
For example:
"text-decoration: none;" can be replaced with "color:#cc0000; font-style:italic;" etc.