dropdown
Rollover dropdown

Use show-on-hoverclass with dropdown class.

Regular dropdown

Use dropdownclass for default dropdown.

Dropdown with icon

Just put icon class with i tag.

Fancy dropdown 1

Use Animate.css classes with data-dropdown-in="fadeIn" data-dropdown-out="fadeOut".

fancy dropdown 2

Use Animate.css classes with data-dropdown-in="flipInX" data-dropdown-out="flipOutX".

Dropdown with icon

Use Animate.css classes with data-dropdown-in="flipInY" data-dropdown-out="flipOutY".