Drop down menu issues

this is quite simple, i’m sure, but i’m not too familiar with CSS. i’m using the delicate theme & i’m having problems with my navigation menu– i can’t get the child page titles to appear in the drop down. i would like to retain the same color attributes (text, hover, current page) for the child page options.

site: http://www.horizonstrategies.us

here’s the topnav code:

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