and a row attribute with a value of style sheet. I' ve labelled the link to the style sheet with a comment, so you can find it easily. Dynamically adding rules to a style sheet leads to rerunning selector matching on the entire document, at least in Gecko. To link to our style sheet, 0: 28. 0 Using Programming Language Constructs in Style Sheets. The style sheet PI is most useful with “ Generic XML, ” i. The style sheet file must be saved with a.