body{font-family:Arial;background:#f1f2f6;text-align:center}
.container{max-width:420px;margin:40px auto;background:white;padding:20px;border-radius:15px;box-shadow:0 10px 25px rgba(0,0,0,.2)}
li{cursor:pointer;color:#0984e3;margin:6px 0}
#error{color:red}