body {
    background: url('../image/login-background.jpg') no-repeat center center fixed;
    background-size: cover;
}

.login-container {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0px 0px 15px 5px rgba(0,0,0,0.2);
    max-width: 500px;
}

.form-control:focus {
    border-color: #000;
    box-shadow: none;
}

.btn-dark:hover {
    background-color: #444;
}