.hidden {
    display: none;
}

#login-container {
    /* Styles for your login form container */
    padding: 20px;
    border: 1px solid #ccc;
    width: 300px;
    margin: 50px auto;
    text-align: center;
}

#hidden-content {
    /* Styles for your hidden content */
    padding: 20px;
    border: 1px solid #eee;
    width: 80%;
    margin: 50px auto;
    text-align: center;
}