leaflet Maps with Polygon: How to change the size of the white squares (cor

I found several methods to change the lines and the area between the white squares. But I could not find a method to change the size of the white squares. I would like to decrease the size.
The only thing I could find on Google did not sound very promising:


Sorry, I just found out that I had asked this question before.

Now I tried out the suggested solution and it works (I added both css styles).