#pm-pwa-install {
  position: fixed;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 82px);
  z-index: 99999;
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  font: 600 14px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #111;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
}

@media (min-width: 781px) {
  #pm-pwa-install {
    bottom: 24px;
  }
}