html, body { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; background: #22282f; }
iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.note { margin: 0; padding: 24px; color: #b8b8b8; font: 14px system-ui, sans-serif; }