body{font-family:Arial,sans-serif;margin:0;padding:20px;background-color:#f9f9f9}.tree{display:flex;justify-content:center;align-items:center;flex-direction:column}.node{display:flex;flex-direction:column;align-items:center;margin:20px}.line{height:40px;border-left:2px solid #000}.name{padding:10px 20px;border:2px solid #000;border-radius:10px;background-color:#fff;box-shadow:2px 2px 5px rgba(0,0,0,.1)}.children{display:flex;justify-content:center;gap:40px}