CSS 애니메이션
See the Pen <a href="https://codepen.io/jinyongjang/pen/abaPdNP"> Untitled</a> by jinyongjang (<a href="https://codepen.io/jinyongjang">@jinyongjang</a>) on <a href="https://codepen.io">CodePen</a>.
꽃잎이 펼쳐지는 애니메이션