@SubscribeEvent
    public void onEvent(InitGuiEvent.Post event) {

        List toReplace = new ArrayList();
        for(Object a : event.buttonList) {
            GuiButton b = (GuiButton) a;
            CIGuiButton c = new CIGuiButton(b.id, new Bounds(b.xPosition, b.yPosition, b.width, b.height), b.displayString, true);
            toReplace.add(c);
            System.out.println(b.xPosition + " " + b.yPosition);
        }
        event.buttonList = toReplace;
        for(Object a : event.buttonList) {
            System.out.println(a.getClass());
        }
    }