.tnb-booking-pop-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999999999;
    justify-content: center;
    align-items: center;
}
.tnb-booking-pop-container {
    position: relative;
    max-width: 1200px;
    width: 90%;
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    z-index: 9999999999;
    box-sizing: border-box;
}
.tnb-booking-pop-overlay.tnb-visible {
    display: flex;
}
.tnb-booking-pop-content {
    width: 100%;
    height: auto;
}
.tnb-booking-pop-iframe {
    width: 100%;
    border: none;
    overflow: hidden;
}
.tnb-booking-pop-close {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 20px;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
    padding: 0;
}
.tnb-booking-pop-close:hover {
    background: #555;
}
.tnb-popup-item { background: #fff; }
        .tnb-popup-item label { font-weight: bold; }
        .tnb-booking-pop-title { margin: 0 0 15px 0; text-align: center; font-size: 1.5em; }