xhtml2fo.xsl
    Default XHTML stylesheet. The other styleheets are made by importing this stylesheet and changing their styles.
xhtml2fo-justified.xsl
    Default setting is text-align="justify". In addition, the space between blocks has a range from minimum to maximum and makes the text in the bottom justified after page breaks and column brakes. 
xhtml2fo-multicolumn.xsl
    An example of a layout in two columns. h1 and h2 become the headline spanning all columns.
Chocolate.xsl, Midnight.xsl, Modernist.xsl, Oldstyle.xsl, Steely.xsl, Swiss.xsl, Traditional.xsl, Ultramarine.xsl
    XSL-FO version of the following CSS stylesheet:
    W3C Core Styles <http: /www.w3.org/StyleSheets/Core> 
Traditional-ja.xsl
    It's made by transforming Traditional in W3C Core Styles into Japanese tb-rl writing mode. 
W3C-REC.xsl
    This is an XSL-FO version of W3C-REC.css (W3C Recommendation stylesheet).