*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#17242b}
body{display:grid;place-items:center}
.presentation-frame{position:relative;flex:none;width:var(--frame-width,0px);height:var(--frame-height,0px);overflow:hidden;background:#071d29;box-shadow:0 18px 60px #0004}
#presentation-canvas{position:absolute;left:0;top:0;display:block;width:1440px;height:810px;border:0;transform:scale(var(--frame-scale,0));transform-origin:top left}
:fullscreen .presentation-frame{box-shadow:none}
@media print{html,body{background:white}.presentation-frame{box-shadow:none}}