/* Seite: Web-App Installation */
    body.webapp {
      font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
      font-style: italic;
      font-weight: 500;
      background: linear-gradient(to bottom, #6a6a6a 0%, #5f5f5f 100%);
      color: #fff;
      line-height: 1.75;
    }

    main.container {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 2rem;
  background: #3a3a3a;
  border-radius: 16px;
  box-shadow: 0 0 18px rgba(0,0,0,0.4);
}


    h1, h2 {
      color: #fff;
      text-shadow: 0 0 6px rgba(0,0,0,0.5);
    }

    h1 {
      text-align: center;
      font-size: 1.6em;
      margin-bottom: 2rem;
    }

    h2 {
      font-size: 1.1em;
      font-weight: normal;
      margin: 1rem 0;
    }

    .center {
      text-align: center;
      margin: 1.5rem 0;
    }

    .left {
      text-align: left;
      margin: 1.5rem 0;
    }

    img.bordered {
      border: 3px solid #888;
      border-radius: 12px;
      box-shadow: 0 0 15px rgba(0,0,0,0.6);
      max-width: 100%;
      height: auto;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    img.bordered:hover {
      transform: scale(1.03);
      box-shadow: 0 0 18px rgba(255,255,255,0.4);
    }

    hr.divider {
      border: none;
      height: 1px;
      background: #888;
      margin: 2rem auto;
      width: 60%;
    }

    .hinweis {
      text-align: center;
      color: #ccc;
      font-size: 0.9em;
      margin-top: 2rem;
    }