Button::Style& ImageStyle()
{
	static Button::Style s = Button::StyleNormal();
	s.look[0] = imgs::kkk;
	s.look[1] = imgs::kkk;
	s.look[2] = imgs::kkk;
	s.look[3] = imgs::kkk;
	s.pressoffset = Point(1, -1);
	return s;
}

btn_download_all.SetStyle(imgsty);