body {
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.login-box {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 400px;
}
.login-box h2 {
    margin-bottom: 20px;
    text-align: center;
}
.login-box input {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
}
.login-box button {
    width: 100%;
    padding: 10px;
    background-color: #0066cc;
    color: white;
    border: none;
    border-radius: 5px;
}
.error {
    color: red;
    text-align: center;
    margin-bottom: 10px;
}