nav ul>ul{
  margin: 0;
  padding-left: 20px;
}

#navigator{
  padding-left: 10px;
}

#navigator li{
  padding: 5px 20px 5px 10px;
  transition: padding linear .1s;
}

#navigator li:hover{
  padding: 5px 10px 5px 20px;
}