Horizontal megadropdown
Mega 1 p2
Mega 2 p3
Mega 3 p1
Mega 4 p2
Item 1
Item 1.1
Item 1.2
Item 1.3
Mega 5 p1
Mega 6 p2
More
Mega-dropdown for Mega 1
Mega-dropdown for Mega 2
Mega-dropdown for Mega 3
Mega-dropdown for Mega 4
Mega-dropdown for Mega 5
Mega-dropdown for Mega 6
Mega-dropdown for More