TemplateImageSize : Size of the image. This is only for the imageSize in ButtonsTemplate. Specify one of the following values: cover: The image fills the entire image area. Parts of the image that do not fit in the area are not displayed. contain: The entire image is displayed in the image area. A background is displayed in the unused areas to the left and right of vertical images and in the areas above and below horizontal images.
Size of the image. This is only for the imageSize in ButtonsTemplate. Specify one of the following values: cover: The image fills the entire image area. Parts of the image that do not fit in the area are not displayed. contain: The entire image is displayed in the image area. A background is displayed in the unused areas to the left and right of vertical images and in the areas above and below horizontal images.