popover()
	.bunt-drop-element
		position: absolute
		display: none
		z-index: $z-index-dropdown
		max-width: 100%
		max-height: 100%

		transition: opacity 0.2s ease
		opacity: 0

		&,
		&:after,
		&:before,
		& *,
		& *:after,
		& *:before
			box-sizing: border-box

		&.bunt-drop-open
			display: block

		&.bunt-drop-after-open 
			opacity: 1