html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #030307;
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
#app { width: 100vw; height: 100vh; display: grid; place-items: center; }
canvas { display: block; width: 100% !important; height: 100% !important; }