body {
  text-align: center;
  border: 0;
  margin: 0;
  margin-left: 0;
  background-image: url(BG.png);
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  align-content: center;
  justify-content: center;
  align-items: center;
  height: 1080px;
  background-position: center;
}

canvas {
  margin-left: -78px;
  width: 826px;
  height: 634px;
  background: rgb(58, 58, 58);
  margin-top: 0;
  cursor: default;
  border-radius: 13px;
}