body{margin:0;font-family:Arial,sans-serif;background-color:#f0f2f5}.landing-page{height:80vh;display:flex;justify-content:center;align-items:center}.login-container{background-color:#fff;padding:2rem;border-radius:10px;box-shadow:0 0 10px #0000001a;text-align:center}h1{margin-bottom:1rem}input{width:90%;padding:.75rem;margin-bottom:1rem;border:1px solid #ccc;border-radius:5px}button{width:100%;padding:.75rem;background-color:#28a745;color:#fff;border:none;border-radius:5px;cursor:pointer}button:hover{background-color:#218838}.error{color:red;margin-bottom:1rem}