#contact-form {
    display: none;
}

#powered-by {
    position: fixed;
    bottom: 10px;
    right: 10px;
    color: #666;
    font-size: 12px;
    z-index: 1000;
}

#open-popup-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 50%;
    padding: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#open-popup-btn i {
    font-size: 24px;
}