How do you preserve a fixed aspect ratio for an embedded element?

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Multiple Choice

How do you preserve a fixed aspect ratio for an embedded element?

Explanation:
Preserving a fixed aspect ratio means keeping height proportional to width as the element scales. The aspect-ratio property defines that proportion, so when you set aspect-ratio: 16/9 and make the element fill the container width (width: 100%), the browser computes the height automatically to maintain that 16:9 relationship. Height can be left as auto, or explicitly set, and it will follow from the width and the specified ratio. 16/9 is the standard for most embedded videos, so this combination is the most reliable way to keep embeds looking correct across different screen sizes. Using a different ratio would preserve a different proportion, and the last option uses the wrong property name (ratio) and wouldn’t apply.

Preserving a fixed aspect ratio means keeping height proportional to width as the element scales. The aspect-ratio property defines that proportion, so when you set aspect-ratio: 16/9 and make the element fill the container width (width: 100%), the browser computes the height automatically to maintain that 16:9 relationship. Height can be left as auto, or explicitly set, and it will follow from the width and the specified ratio. 16/9 is the standard for most embedded videos, so this combination is the most reliable way to keep embeds looking correct across different screen sizes. Using a different ratio would preserve a different proportion, and the last option uses the wrong property name (ratio) and wouldn’t apply.

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