body {
  font-family: monospace;
  color: #fff;

  background-color: #000;
}

#center {
  margin: 0;
  position: absolute;  
  top: 50%;
  left: 50%; 
  transform: translate(-50%, -50%);
  text-align: center;
}

#darken {
  color: #777;
}

#none {
  text-decoration: none !important;
}

a {
  color: #fff;
  text-decoration: underline;
}