I think this is obvious.
It will be better in some days. I already committed an improved version.
Btw not every green square need to have a number. The numbers are only visible for variations which the AI explored with at least 50 visits (26 for basic supporter).
This is how it will look in the future:
That is largely intentional (I think). Players (me included) found it confusing to have a whole board filled with numbers.
The color marked intersections are those leela (usually briefly) considered - and you can reveal a discovered variation by clicking them - but were eventually discovered as not good enough.