.content {
    max-width: 800px;
    margin: 100px auto 40px;
    padding: 0 16px;
    line-height: 1.6;
  }
  .back-link {
    display: inline-block;
    margin: 16px;
    font-size: clamp(0.9rem, 2.5vw, 1em);
  }