code.console {
  background-color: #111;
  color: #EEE;
  white-space: pre;
  display: block;
  font-size: small;
  overflow-x: auto;
}
ul.dos_command,
ul.root_command,
ul.user_command {
  list-style-type: none;
  white-space: nowrap;
}
ul.dos_command li:before {
  content: "> ";
}
ul.root_command li:before {
  content: "# ";
}
ul.user_command li:before {
  content: "$ ";
}
ul.caution {
  list-style-type: none;
  white-space: nowrap;
  color: red;
}
ul.caution li:before {
  content: "※";
}

article ul,ol,img {
  overflow-x: auto;
}