Chinese Window Lattice and CSS
This is how to use it:
Perhaps because it’s just an experimental property from the very beginning, there’s no way yet to add multiple reflections to an element at once. Although it’s not the exact result we wanted, it’s so exciting to find a way to add multiple reflections. So with the property and the technique described above, we can finally draw those symmetrical window lattices in CSS with very few lines of code.
Source: yuanchuan.dev