margin: auto;

  display: flex;

  flex-direction: column;

  text-align: center;

  background-color: black;

  color: white;

}

/* 

canvas {

  display: block;

}

*/

footer {

  font-style:italic;

  position: absolute;

  font-size: 90%;

  bottom: 0;

  width: 100%;

}