/* The takhreeg and lineage popup. A native <dialog>, sized and coloured like the old one. */
#popup {
    width: 80vw;
    height: 80vh;
    box-sizing: border-box;
    padding: 0;
    border: 7px solid #888;
    border-radius: 4px;
    background: #fff;
    overflow: hidden;
}
#popup::backdrop {
    background: #000;
    opacity: .9;
}
#popup iframe {
    display: block;
    width: 100%;
    height: calc(100% - 28px);
    border: 0;
}
#popup button {
    display: block;
    width: 100%;
    height: 28px;
    padding: 0 10px;
    border: 0;
    border-top: 1px solid #ccc;
    background: #f2f2f2;
    color: #333;
    font-size: 18px;
    line-height: 26px;
    text-align: right;
    cursor: pointer;
}