#persistent-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2147483646;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  pointer-events: none;
  line-height: 1.35;
}

html.os-mac #persistent-banner {
  background: linear-gradient(90deg, #5e1a1a, #8b2525, #5e1a1a);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

html.os-win #persistent-banner {
  background: linear-gradient(90deg, #003d6b, #0078d4, #003d6b);
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
}