Vertical menu hover drop below with active state?
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I need to create a vertical menu like so:

 - Item 1
  - Item 1.1
  - Item 1.2
 - Item 2
 - Item 3
 - Item 4

I need the sub-menu to expand/collapse <b>below</b> it's parent item on hover. I need it to have a page indicator or the ability to use the active state so the <b>menu displays the page you're currently on</b>. Also, this is going to be customized several times throughout a site, so I need to keep the titles/links in the html only.

I haven't been able to find or create a solution that fits all of these requirements. I have been researching for a few days and keep coming up empty handed. Any advice and/or solutions would be greatly appreciated!