CSS - box-shadow on circle doesn't cover all around. Is there a fix?

Question

When you make an element border radius 50%, it makes it a circle. Right!
And when I try to add a box-shadow, it only covers the ipposite sides.
Example: right side and left side only- doesn't cover top and bottom.

--!?

Answer 1

Try this
Box-shadow: 0 0 0 10px black;
The 4th value ( 10px) controls the spread of shadow. You probably not using it

Answer 2

https://code.sololearn.com/WIkz1sdl4Mcc/?ref=app