HtmlWriter writer = new HtmlWriter(out);
writer.start("style", "type", "text/css");
writer.css(".cms-textAlign-left", "text-align", "left");
writer.css(".cms-textAlign-center", "text-align", "center");
writer.css(".cms-textAlign-right", "text-align", "right");
for (CmsTool.CssClassGroup group : getTextCssClassGroups()) {
String groupName = group.getInternalName();
for (CmsTool.CssClass cssClass : group.getCssClasses()) {