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<!doctype html> | |
<html lang="vi"> | |
<head> | |
<meta charset="utf-8" /> | |
<meta name="viewport" content="width=device-width,initial-scale=1" /> | |
<title>Thư dành cho bạn</title> | |
<!-- Open Graph: Facebook sẽ lấy ảnh preview từ og:image nếu bạn share --> | |
<meta property="og:title" content="Một lá thư cho bạn" /> | |
<meta property="og:description" content="Bấm vào phong bì để mở thư" /> | |
<meta property="og:image" content="https://yourdomain.com/preview-envelope.jpg" /> |