Scale image with css to both width and height to scale

Question

The bounding box is approx 1000x600, and some images are 500x100, while some others are 400x100 (extreme examples). Now I\'d like to scale both up to the maximum size the bo

Answer 1

Setting only width or height doesn't always work, so alternatively you can set:

img {
  max-width: 100%;
  max-height: 100%;
}

BUT

it will not extend images over their original size