Exact URL of where the bug happened

https://lichess.org/nJGBROyvdDb9

Steps to reproduce the bug

1. Play any move
2. Play any premove

What did you expect to happen?

A blue color appears on the initial and destination squares.

What happened instead?

The blue shading appears one pixel misaligned from the square.

Operating system

Windows 11

Browser and version (or alternate access method)

Opera GX 110.4

Additional information