Current section covers entire parent section.
Bullet point shows current subsection
Background standard white out blur
Between h2 items there will be a line. But no line between h2 items and any h3 or h4 items in that section.
Between h2 items and line 20px.
Between h3 items and other h3 items 20px.
No indentation on h2 items, only on h3 items and above.