How to make an infinite seamless animation?

Question

css

How to make an image move by itself?
Like here logomotor.ru/banner/index.html

Answer 1

Add an image above the block, animate when its top is equal to the top of the block, run the same logic. In the same place, in the example, all scripts can be seen through the code inspector.

Answer 2

animation-iteration-count: infinite;