html, body {
  margin: 0;
  padding: 0;
}
canvas {
  display: block;
  text-align: center;
}
div.texto{
  margin:2rem auto;
  width:min(90vw, 800px);
  padding:1rem;
  text-align: left;
  background:rgba(255,255,255,.25);
  box-shadow: 0 0 5px rgba(0,0,0,.25);
border-radius: 10px;
  backdrop-filter: blur(5px)
}