adding a drop shadow to blog grid images

Hi, I'd like all the images in my blog grid to have a solid black drop shadow.

I can't figure out the code to get this to work. Could anybody help please?

Thanks.

Sarah

Can you share link to this blog?

https://ladybug-dodecahedron-fyyy.squarespace.com/articles

password: spectrum

Amazing thank you! This worked 🙂

12 hours ago, tuanphan said:

You can use this code to Website > Website Tools > Custom CSS
 

section.blog-image-wrapper {
    box-shadow: 3px 4px 5px black;
}