html,body{vertical-align:baseline;background:#000;justify-content:center;align-items:center;width:100%;height:100%;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;display:flex}#webgpu_canvas{width:100%;height:100%;display:none}#error{color:#fff;font-size:22px;font-weight:700;display:none}