body {
  font-family: 'VT323', monospace;
  font-size: 2.5em;
  color: rgba(33, 166, 9, 1);
  background-color: rgba(0, 16, 0, 1);
  -webkit-font-smoothing: antialiased;
  text-shadow: rgba(0,0,0,.01) 0 0 1px;
}

span {
  position: absolute;
    transform: translate(-50%, -50%);
    width: 230px;
    top: 50%;
    left: 50%;
}