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When this site is viewed on a mobile device, the drop down menu items (sub navigation) disappear once you click on the parent button. How can I fix this issue? Any suggestions would be helpful. Thank you in advance!
Todd
Hi,
Your top level items are actually links so what did you expect would happen when they get clicked? 
If you set the top level to href=“#” the you will be able to click the menu and the submenu should open. However there will be no real way to close the dropdown on mobiles so usually you would default to a js driven menu for small devices much like the bootstrap menu here behaves at smaller widths.