}
String instance = "(" + context.getImplementationSimpleSourceName()
+ ".this." + functionName.getExpression() + ")";
CssRule replacement = new CssRule();
replacement.getSelectors().addAll(x.getSelectors());
List<CssProperty> properties = replacement.getProperties();
if (repeatStyle == RepeatStyle.None
|| repeatStyle == RepeatStyle.Horizontal) {
properties.add(new CssProperty("height", new ExpressionValue(instance
+ ".getHeight() + \"px\""), false));