Auto width and height calculation
This is very useful when you need to make effect for unknown width and height of element. Imagine that you have many blocks with images with different height and you need to add scroll which works the same for all images. For example, On hover scroll when image is scrolled from top to bottom in container.

This is very useful when you need to make effect for unknown width and height of element. Imagine that you have many blocks with images with different height and you need to add scroll which works the same for all images. For example, On hover scroll when image is scrolled from top to bottom in container.