Drop-down navigation for a button within an index page

I have an index with about 4 pages. At the top, in the banner, I have a button called 'Contents'. I also have a folder containing links to each of the index's pages called 'entrepreneurs-nav'. I structured the links such that it navigates internally (the #). What I want is a hover effect for the button that displays the links. A user should click on the link text and is taken to that section.

I tried simply linking to entrepreneurs-nav, but it took me to a blank page. Any ideas on how to make this happen? I don't code in CSS so if that is required could could you supply it and explain what fields must be filled and with what?

Can you share link to index page? We can check easier.