body{font-family:Arial,sans-serif;background:#f5f7fa;margin:0}.container{max-width:760px;margin:60px auto;background:white;padding:30px;border-radius:12px;box-shadow:0 4px 18px rgba(0,0,0,.08)}.subtitle{color:#666}form{display:flex;gap:10px;flex-wrap:wrap}input{padding:10px;flex:1;min-width:180px}button{padding:10px 16px;cursor:pointer}li{margin:12px 0;padding:12px;background:#f0f2f5;border-radius:8px}.delete{float:right}