html, body {
    margin: 0;
    padding: 0;
    background: #000;
    overflow: hidden;
    height: 100%;
    width: 100%;
    font-family: "David", "Times New Roman", serif;
}
#app {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.stage {
    position: relative;
    /* Mikraot was authored at 640×480; START.FRM's twips/15 design extent
       (662×521) overshoots that slightly but the BG image dugma5.bmp is
       640×480, so we use that as the canvas and let overshoot clip. */
    width: 640px;
    height: 480px;
    transform-origin: center center;
    background-color: #c0c0c0;
    background-repeat: no-repeat;
    background-position: top left;
    overflow: hidden;
}
.ctrl {
    position: absolute;
    background-repeat: no-repeat;
    background-position: top left;
    background-size: contain;
    border: 0;
    padding: 0;
    margin: 0;
    cursor: pointer;
    background-color: transparent;
}
.ctrl.no-click {
    cursor: default;
    pointer-events: none;
}
.lbl {
    position: absolute;
    color: #fff;
    background: transparent;
    pointer-events: none;
    font-weight: bold;
    white-space: nowrap;
    text-align: center;
    direction: rtl;
}