Remember I said case sensitive .
livinglight when it should be livingLight Cap L in living.
Part of the convention of writing names in code is to use what is know as camel hump syntax.
This is to make readability of long id and var names easier.
so for any var/id we make the first word lower case. then Each word we put up against it has a Capped first letter.
So if I wanted an id to indicate an element that is used to flush the toilet.
I would use