html,body,#root{height:100%;margin:0}.app-root{width:100vw;height:100vh;display:flex;flex-direction:column}.app-root canvas{flex:1;display:block}.caption{position:absolute;left:12px;bottom:12px;color:#222;background:#ffffffd9;padding:6px 10px;border-radius:6px;font-family:system-ui,sans-serif;font-size:13px}