#tickets_dialog {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: calc(100% - 1px); 
    display: none;
    z-index: 10000000;
}
.tickets_iframe {
    width: 100%;
    min-width: 100%;
    border: 0px none;
    height: calc(100% - 1px); 
    min-height: 100%;
}