flytreeleft / elm-ui / Element.Transition
Element.Transition.with
    [ Element.Transition.property "box-shadow"
        [ Element.Transition.duration 0.28
        , Element.Transition.delay 0
        , Element.Transition.cubic 0.4 0 0.2 1
        ]
    ]

with : List Property -> Element.Attribute msg

Transition property

property : String -> List Option -> Property

Transition Delay and Duration

delay : Basics.Float -> Option

duration : Basics.Float -> Option

Transition Easing Function

linear : Option

ease : Option

easeIn : Option

easeOut : Option

easeInOut : Option

cubic : Basics.Float -> Basics.Float -> Basics.Float -> Basics.Float -> Option