#popup-video {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: auto;
    z-index: 9999;
    background-color: #000;
    border: 1px solid #fff;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9998;
}

.hidden-video {
    display: none;
}

#close-btn {
    display: none;
    position: fixed;
    top: 10%;
    right: 10%;
    font-size: 39px;
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
    padding: 3px 15px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10000;
}