Manipulate[VermansCipher[ot, key, opt, opt2],
 Style["-B©ifrovanie", 12, Bold],
 Grid[
  {
   {Labeled[
     InputField[Dynamic[ot], String, ImageSize -> {125, Automatic}],
     "OT:", Left]},
   {Labeled[InputField[Dynamic[key], FieldSize -> 10], "Kµ-Aú-Bè:", Left]},
   {Button["Analog", opt = "Analog"]},
   {Button["Digital", opt = "Digital"]},
   {Labeled[Checkbox[Dynamic[opt2]], "N-Aáhodný k-Bµ-Aú-Bè", {Right}]}
   }, Alignment -> Left],
 ControlPlacement -> Left,
 FrameLabel -> {"", "", Style["Vernam's Cipher", Bold, Blue, 18], ""}]