Create a box containing four child boxes. The four child boxes shall be pinned to the edges of the box.
See: https://codepen.io/nicokoenig/full/QdveKo
Create a progress bar that changes it's state hovering over it
See: https://codepen.io/nicokoenig/full/NdjmZW/
See: https://codepen.io/nicokoenig/full/YpYGLR/