@import url(https://fonts.googleapis.com/css?family=Droid+Sans+Mono);

body {
  background: #121613;
  color: #ababab;
  font-family: "Droid Sans Mono", monospace;
  margin: 0;
}

pre {
  font-family: inherit;
  font-size: 30px;
  margin: 0;
}

#container {
  text-align: center;
}

#grid-div {
  border: 10px solid white;
  width: 500px;
  height: 500px;
  overflow: hidden;
  margin: 50px auto;
}

#inner-grid-div {
  position: relative;
}