.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    border: 1px solid #ccc;
    z-index: 9999;
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
}

.popup-content {
    position: relative;
}

.close-btn {
    position: absolute;
    top: 5px;
    right: 10px;
    cursor: pointer;
    color: blue;
    font-size: 40px;
    transition: color 0.3s, transform 0.3s;
}

.close-btn:hover {
    color: black;
    transform: scale(1.1);
}

.banner-btn {
    display: block;
    width: 250px; 
    margin: 20px auto;
    text-align: center;
    padding: 15px 30px; 
    background-color: #007bff;
    color: white;
    text-decoration: none;
    font-size: 18px; 
}


.text-center {
    text-align: center;
}

@media only screen and (max-width: 768px) {
    .popup {
        width: 90%;
        height: 90%;
    }
}