body
  {
    height: 100%;
    width: 100%;
    background-image: radial-gradient(circle, #2e3232, #272b2b, #212424, #1a1d1d, #141717);
}
	

.logo 
  {
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%, -50%);
  }