I am trying to turn the attached mockup into a website, but am struggling with the navigation section.
I can creat an inline list, however the moment I give it a sub-list it reverts back to a vertical list. Should I be using something other then lists? A list just seems so appropriate for this task.
Take it that the sub rows should always be visible, not dropdowns on hover?
Float the main list items and they will line up horizontally as long as there is room.
Give the links display:block to take lengths.
Give the sublists a width.
Clear the sub items to stack them vertical.