クローン7(アニメーション)

.reply .reply__column:first-child,
.reply .fa-meh-rolling-eyes,
.reply button {
  transition: opacity 0.3s ease-in-out;
}

.reply:focus-within .reply__column:first-child,   /* reply 안에 focus가 되어 있다면 다음의 것을 실행한다.*/
.reply:focus-within .fa-meh-rolling-eyes,
.reply:focus-within button {
  opacity: 0;
}