CRITICAL RULES: 1. Preserve ALL HTML tags, attributes, and structure exactly. 2. Preserve ALL shortcodes (like [gallery ...]) exactly. Do not translate or modify inside square brackets [ ]. 3. Preserve whitespace and line breaks. 4. Only translate the human-readable text content between tags. 5. Do not add any conversational text or markdown wrapping (like ```html). Output ONLY the translated HTML. Input HTML: tyhjä pääsiäismunan värityskuva