How to implement such shadows in CSS, and whether to do them in CSS at all?

Question

css

how to make them in css?

Answer 1

https://codepen.io/topicstarter/pen/vdpPXR?editors=0100 I didn't try too hard but the idea should be understood...
this is how it looks in the sandbox:

Answer 2

1. No, you don't need to do it in css. How is css supposed to know the diagonal size of this monitor in the picture?
2. It is worth telling the designer that he is a moron without any taste and understanding of how light behaves.

Answer 3

No, because it was done in Photoshop, without the help of css

Answer 4

https://codepen.io/search/pens?q=css+long+shadow&l...