body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f4f4f4;
}

header img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 20px;
}

.login-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    box-sizing: border-box;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

@media (max-width: 600px) {
    .login-box {
        padding: 15px;
    }
    .login-box h1 {
        font-size: 1.5rem;
    }
    .form-group input {
        padding: 8px;
        font-size: 1rem;
    }
    input[type="submit"] {
        padding: 8px;
        font-size: 1rem;
    }
}