animation
英[ˌænɪˈmeɪʃn] 美[ˌænəˈmeʃən]
n. Angry, lively; cartoon production, cartoon shooting; [film and television] animation
Plural: animations
direction
英[dəˈrekʃn] 美[dɪˈrɛkʃən, daɪ-]
n. Direction; trend; aspect; instructions for usage
plural: directions
css3 animation-direction attribute syntax
Function:Define whether the animation should be played in reverse in turn.
Syntax:animation-direction: normal|alternate;
##Description:normal Default value. The animation should play normally. alternate The animation should take turns in reverse.
Note:If the animation is set to play only once, this attribute has no effect.
When the animation is played more than once, we can set the value of animation-direction to alternate to realize the animation playing in reverse. By default, the value of this attribute is normal, which means the animation plays normally