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h2{font-size:21px}.letter-mailbox-row small{font-size:10px}}.letter-topic-filter-head{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;font-size:14px;display:flex}.letter-topic-filter-head button{border:1px solid var(--line);background:var(--surface);color:#148e99;min-height:36px;font:inherit;cursor:pointer;border-radius:18px;padding:6px 12px}.letter-topic-filter-head button[aria-pressed=true]{background:#e0f6f0;border-color:#65c4b4}.letter-topic-filter-head button:focus-visible{outline-offset:2px;outline:2px solid #20a7b0}.letters-page .letter-topics button,.letters-page .letter-secondary,.letters-page .letter-pass,.letters-page .letter-report-toggle,.letters-page .letter-reply label,.letters-page .letter-report-form label,.letters-page .letter-compose-note,.letters-page .letter-feedback{font-size:max(14px, calc(12px * var(--ui-size-body,1)));line-height:1.7}.letters-page .letter-primary{font-size:max(16px, calc(14px * 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