.add-only-page { min-height: 100vh; display: grid; place-items: center; }
.subscribe-only { display: flex; flex-direction: column; gap: 18px; width: min(100% - 40px, 340px); }
.subscribe-button { padding: 17px 0; border-bottom: 1px solid var(--rule); color: var(--muted); font: 500 11px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .08em; text-align: center; }
.subscribe-button:hover { color: var(--foreground); border-bottom-color: var(--red); }
.subscribe-button.google { color: var(--red); border-bottom-color: var(--red); }
.subscribe-button span { font-size: 16px; }