Answered by : valeriya-pekar

stackView.layoutMargins = UIEdgeInsets(top: 0, left: 20, bottom: 0, right: 20)
stackView.isLayoutMarginsRelativeArrangement = true

Source : https://stackoverflow.com/questions/32551890/how-to-add-leading-padding-to-view-added-inside-an-uistackview | Last Update : Thu, 14 Apr 22