pre {
  background-color: #111;
  color: rgb(255, 204, 153);
  overflow-x: auto;
  max-width: 800px;
  min-width: 800px;
  min-height: 420px;
  padding: 5px;
  line-height: 1;
  border: rgb(255, 204, 153) 1px solid;
  margin-top: 20px;
}
.blue {
  color: rgb(102, 153, 255);
}
.orange {
  color: rgb(255, 160, 0);
}
.yellow {
  color: rgb(255, 204, 153);
}
.green {
  color: rgb(102, 255, 102);
}
code[blinking]::after {
  content: "";
  width: 6px;
  height: 12px;
  background: rgb(255, 204, 153);
  display: inline-block;
  animation: cursor-blink 1.5s step-start infinite;
}
@keyframes cursor-blink {
  50% {
    opacity: 0;
  }
}