CSS Variables issue with multi-cursor replace

1

There are issues with multi-cursor replace and CSS variables.

If you Cmd + Shift + L on normal CSS properties, you can replace them easily.
If you do the same on a CSS Variable Prefix, then it starts to get squirrelly.

You can also do it with dragging to create multiple cursors:

2

More specifically, it might be multi-replacement when you type a - first.