The sizing keyword auto tells the browser to resize an image to cover all of the element background while still retaining the image proportions.

Question

Quizplus · Accepted Answer

The correct CSS property value for resizing an image to cover all of the element background while still retaining the image proportions is `background-size: cover;`, not `auto`. The `auto` value maintains the original size of the image.

The Sizing Keyword auto Tells the Browser to Resize an Image