html, body, main {
  background-color: rgb(36, 36, 36);
  margin: 0;
  width: 100%;
  height: 100%;
  display: flex;
  overflow: hidden;
  justify-content: center;
  align-items: center;
  
}

canvas {
  width: auto !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 100% !important;
  
}