If animation-iteration-count is zero, apply the values that would start the first iteration. |[animation-direction](/css/properties/animation-direction)|[ ... ... <看更多>

You can use two animations, one to move right-left and other to make it fall. The up to down animation will work with absolute positioning, ... ... <看更多>

What is the motivation / use case for changing the behavior? Animation-fill-mode is a common CSS animation property that has been around for ... ... <看更多>