body {
    background: #f0f0f0;
    font-family: Arial, sans-serif;
}

.login-box {
    width: 320px;
    padding: 40px;
    margin: 120px auto;
    background: white;
    box-shadow: 0 0 10px #ccc;
    border-radius: 10px;
    text-align: center;
}

.login-box h2 {
    margin-bottom: 20px;
}

.login-box input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #999;
    border-radius: 5px;
}

.login-box button {
    width: 95%;
    padding: 10px;
    background: #1a73e8;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
}

.login-box button:hover {
    background: #0d5ec4;
}

.error {
    color: red;
    margin-bottom: 10px;
}