 
     /**
      The name value of NSFontAttributeName
+     
+     ### example
+     ```
+     "StringStylizer".stylize().font("Copperplate-Light").attr
+     ```
+     <img width="147" src="https://cloud.githubusercontent.com/assets/18320004/14388776/a274bf68-fdea-11e5-9634-840d0b5fdacb.png">
      
      - parameter name:String
      - returns: StringStylizer<Styling>

    /**
     The value of NSBackgroundColorAttributeName
     
     - parameter rgb:UInt
     - parameter alpha:Double (default:1.0)
     - returns: StringStylizer<Styling>

    /**
     The values of NSStrokeWidthAttributeName and NSStrokeColorAttributeName
     
     ### example
     ```
     "StringStylizer".stylize().stroke(rgb: 0xff0000, alpha: 1, width: 2).attr
     ```
     <img width="135" src="https://cloud.githubusercontent.com/assets/18320004/14389200/7fca9c74-fdec-11e5-996b-3ead1ac564cc.png">
     
     - parameter rgb:UInt? (default:nil)
     - parameter alpha:Double (default:1.0)
     - returns: StringStylizer<Styling>
