html {
  background: #FFF;
}

body {
  color: #111;

  font-family: Courier New, Courier, monospace;
  font-size: 24px;
  font-weight: bold;

  -webkit-font-smoothing: antialiased;
}

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

div.cursor, p.cursor {
  display: inline-block;
  background: #111;
  margin-left: 1px;

  -webkit-animation: blink 1s linear 0s infinite;
  -moz-animation: blink 1s linear 0s infinite;
  -ms-animation: blink 1s linear 0s infinite;
  -o-animation: blink 1s linear 0s infinite;
}
@-webkit-keyframes blink {
  0%   { background: #FFF }
  47%  { background: #FFF }
  50%  { background: #000 }
  97%  { background: #000 }
  100% { background: #FFF }
}

@-moz-keyframes blink {
  0%   { background: #FFF }
  47%  { background: #FFF }
  50%  { background: #000 }
  97%  { background: #000 }
  100% { background: #FFF }
}

@-ms-keyframes blink {
  0%   { background: #FFF }
  47%  { background: #FFF }
  50%  { background: #000 }
  97%  { background: #000 }
  100% { background: #FFF }
}

@-o-keyframes blink {
  0%   { background: #0a0 }
  47%  { background: #090 }
  50%  { background: #000 }
  97%  { background: #000 }
  100% { background: #090 }
}