#recent-posts > .recent-post-item:not(a)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 200%;
  background: linear-gradient(to right, transparent, white, transparent);
  transform: translateX(-200%);
  transition: transform 0.5s linear;
  z-index: 1;
}
#recent-posts > .recent-post-item:not(a):hover::before {
  transform: translateX(100%) skewX(-60deg);
}