/* CSS for Popup */
.popup {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8); /* Black background with opacity */
}

.popup-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.popup-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.popup-close:hover,
.popup-close:focus {
    color: #ccc;
    text-decoration: none;
    cursor: pointer;
}