The drop-down menus have been enabled .  I made some modifications to apply the 0 padding and margin just to the drop_down_menu div itself, so the paragraph spacing in the body are working normally.  Now let's add one layer of pop-out menus.  Modifying the padding and margin also seem to have eliminated the apparent linefeeds in design view.  When I added the hyperlink to the pop-out menu, the display did not linefeed the following text.