The <code>max-width</code> property of 100% scales the image to fit the width of its container, but the image won't stretch wider than its original width. Setting the <code>display</code> property to block changes the image from an inline element (its default), to a block element on its own line. The <code>height</code> property of auto keeps the original aspect ratio of the image.
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## Instructions
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Add style rules for the <code>img</code> tag to make it responsive to the size of its container. It should display as a block-level element, it should fit the full width of its container without stretching, and it should keep its original aspect ratio.