单项选择题
A.linearB.easeC.fade-inD.ease-out
A.animation-timing-function :cubic-bezier(.22,1.23,.97,.89)B.animation-timing-function :cubic-bezier(1.23,..22,97,.89)C.animation-timing-function :cubic-bezier(1.23,.97,.89,.22)D.animation-timing-function :cubic-bezier(.22,.97,.89,1.23)
A.col-push-x 列向右移动x个单位B.col-pull-x 块元素向左移动x个单位C.col-offset-x 块元素向右移动x个单位D.col-offset-x 块元素向左移动x个像素