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

.container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

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

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
}

.input-group input {
    width: 100%;
    height: 40px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

input[type="submit"] {
    width: 100%;
    height: 40px;
    background-color: #4CAF50;
    color: #fff;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #3e8e41;
}

@media only screen and (max-width: 768px) {
    .login-box {
        padding: 20px;
    }
}

@media only screen and (max-width: 480px) {
    .login-box {
        padding: 10px;
    }
}