OdfDocument doc = OdfTextDocument.newTextDocument();
OdfOfficeStyles styles = doc.getOrCreateDocumentStyles();
OdfStyle p1 = styles.newStyle("P1", OdfStyleFamily.Paragraph);
p1.setProperty(StyleTextPropertiesElement.FontSize, "42pt");
OdfStyle p2 = styles.newStyle("P2", OdfStyleFamily.Paragraph);
p2.setProperty(StyleTextPropertiesElement.FontSize, "42pt");
OdfStyle p3 = styles.newStyle("P3", OdfStyleFamily.Paragraph);
p3.setProperty(StyleTextPropertiesElement.FontSize, "13pt");
OdfTextListStyle l1 = styles.newListStyle("L1");