ari.lt/content/styles/shell/main.css

.shell {
  margin: 2em;
}
.shell .prompt {
  color: #0fd30f;
  background-color: #070707;
  border: none;
  font-size: 1.7em;
  width: 90%;
  padding: 0 0 1.2em 0;
}
.shell .prompt:focus {
  border: none;
  outline: none;
}
.shell .output {
  font-size: 1.4166666667em;
}

.shell::before {
  content: "$ ";
  font-size: 1.7em;
  color: #ffffff;
}

.shell[prompt=root]::before {
  content: "# ";
  font-size: 1.7em;
  color: #ffffff;
}