Hi, Using Tinker and My dropdown menus are appearing as full-width mega menus. I want them to appear as simple dropdowns aligned directly under the parent nav item. How do I change this?"
Hi @cilhouette
Welcome to the Shopify Community! Please share your store URL and password (if it’s password-protected), so I can check and provide you with the exact solution.
Best regards,
Devcoder 
“My dropdown menus are appearing as full-width mega menus. I want them to appear as simple dropdowns aligned directly under the parent nav item. How do I change this?”