let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.alignment = .center
paragraphStyle.minimumLineHeight = VALUE
paragraphStyle.maximumLineHeight = VALUE
let attrString = NSMutableAttributedString(string: STRING)
attrString.addAttribute(NSParagraphStyleAttributeName, value:paragraphStyle, range:NSMakeRange(0, attrString.length))
label.attributedText = attrString