/* ベーシックな見た目だけ。外部CSSなので CSP OK */
html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    background: #ffffff;
  }
  
  .spacer { height: 200px; }
  
  .title {
    color: #0000ff;           /* blue */
    font-size: 64px;
    font-weight: bold;
    margin: 0 0 24px 0;
  }
  
  .message {
    font-size: 28px;
    color: #00a000;           /* green */
    margin: 0 0 24px 0;
  }
  
  .message .staging { color: #ff0000; }  /* red */
  
  .time {
    font-size: 18px;
    color: #555555;
    margin-top: 12px;
  }