This bullet list...

@@.mystyle
* foo
*** bar
@@

...has a depth of three.

I would like to access this number in .mystyle to use it to style the width 
of the whole ul e.g in css width:calc(ULDEPTH * 20px)

In css3, styles cannot be applied to a *parent node* based on the number of 
children it has. It does seem possible with js 
<https://stackoverflow.com/questions/22248432/calculate-depth-of-unordered-list>
.

How could this be done in TW?

<:-)

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