.pwa-help {
  box-sizing: border-box;
  width: calc(100% - 40px);
  max-width: 380px;
  padding: 24px;
  border: 0;
  border-radius: 16px;
  color: #333;
  background: #fff;
}
.pwa-help::backdrop { background: #0007; }
.pwa-help h2 { margin: 0 0 16px; font-size: 20px; }
.pwa-help p { font-size: 16px; line-height: 1.8; }
.pwa-help button {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: #ee6554;
  color: #fff;
  font: inherit;
}
[hidden] { display: none !important; }