body{margin:0;display:grid;place-items:center;min-height:100vh}.row{display:flex}#app{display:flex;flex-direction:column;align-items:center;justify-content:center;width:min-content}canvas{box-shadow:0 0 16px #ccc}.input{width:100%;padding:10px;border:1px solid #ddd;margin:10px;font-family:monospace}video{position:absolute;width:100%;height:100%;top:0}