body {
    font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI",
      Roboto, Ubuntu, sans-serif;
    padding: 0;
    margin: 0;
    line-height: 1.4;
  }
  .content {
    max-width: 600px;
    margin: 0 auto;
    padding: 12px;
  }
  h2 {
    margin-top: 2em;
  }
  h3 {
    margin-top: 1.5em;
  }
  a {
    color: #03a9f4;
  }
  .invisible {
    visibility: hidden;
  }
  .hidden {
    display: none;
  }
  esp-web-install-button[install-unsupported] {
    visibility: inherit;
  }
  .content pre {
    max-width: 100%;
    overflow-y: scroll;
  }
  .footer {
    margin-top: 24px;
    border-top: 1px solid #ccc;
    padding-top: 24px;
    text-align: center;
  }
  .footer .initiative {
    font-style: italic;
    margin-top: 16px;
  }
  table {
    border-spacing: 0;
  }
  td {
    padding: 8px;
    border-bottom: 1px solid #ccc;
  }
  .radios li {
    list-style: none;
    line-height: 2em;
  }
  @media (prefers-color-scheme: dark) {
    body {
      background-color: #333;
      color: #fff;
    }
    a {
      color: #58a6ff;
    }
  }