body{
  background:black;
  background-position:center;
  background-size:cover;
  min-height:100vh;
  margin:0;
}
svg{
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  height:50%;
  margin:auto;
  transform:rotate(90deg) rotateY(180deg);
}