CSS动画简写

Question

你能帮助我理解这条不起眼的路线：

.instructions div { -webkit-animation:"instructions-opacity" 2s 1s forwards; }

非常感谢

Answer 1

请参阅规格：http://www.w3.org/TR/css3-animations/#the-animation-shorthand-property-

animation_root_element { [-prefix-]animation: "animation_name" duration delay direction; }