<a class="radikalwp-hov-border" href="#"><img src="https://placehold.co/600x420/e2e8f0/475569?text=Art" alt="اثر هنری"><//a>

.radikalwp-hov-border {
  position: relative;
  display: block;
  max-width: 320px;
  border-radius: 12px;
  overflow: hidden;
}
.radikalwp-hov-border img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.radikalwp-hov-border::before,
.radikalwp-hov-border::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1.5px solid rgba(255, 255, 255, .9);
  opacity: 0;
  transition: all .45s cubic-bezier(.25, .8, .3, 1);
}
.radikalwp-hov-border::before { inset: 22px 34px; }
.radikalwp-hov-border::after  { inset: 14px 26px; }
.radikalwp-hov-border:hover::before { inset: 14px 18px; opacity: 1; }
.radikalwp-hov-border:hover::after  { inset: 6px 10px; opacity: .55; }