.bg-column{background-size:cover;background-position:center center;background-repeat:no-repeat}.outer-column{border-radius:20px;overflow:hidden}.outer-column>.col-inner{border-radius:20px;overflow:clip}.bg-thue-website{background-image:url(https://aktec.vn/wp-content/uploads/2026/09/BG_CTA-Banner.webp)}