body {
    background-color: #f8f9fa;
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 15px;
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card-header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: #343a40;
    text-align: center;
}

.form-group label {
    font-weight: bold;
}

.btn-block {
    width: 100%;
}