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Responsive Video Embed

Explore how to create responsive video embeds using CSS that maintain a 16:9 aspect ratio. Learn to style containers and iframes for seamless scaling without modifying HTML, ensuring videos fully cover their containers without cropping.

Problem description

Given a container element wrapping an <iframe> (e.g., a YouTube video), write CSS rules so the wrapper maintains a 16:9 aspect ratio and the video scales to fill ...