body {
      margin: 0;
      background-color: black;
      color: rgb(255, 255, 255);
      font-family: 'Courier New', Courier, monospace;
      font-size: 16px;
      line-height: 1.4;
    }
    #console {
      padding: 10px;
      white-space: pre-wrap;
    }
    .cursor {
      display: inline-block;
      width: 10px;
      background-color: rgb(255, 255, 255);
      animation: blink 1s step-start infinite;
    }
    @keyframes blink {
      50% { background-color: transparent; }
    }