vcmi/config/widgets/buttons/campaignBonusSelection.json

{
	"normal" : {
		"width": 58,
		"height": 64,
		"items" : []
	},
	"pressed" : {
		"width": 58,
		"height": 64,
		"items" : []
	},
	"blocked" : {
		"width": 58,
		"height": 64,
		"items" : []
	},
	"highlighted" : {
		"width": 58,
		"height": 64,
		"items" : []
	},
}