.elementor .reveal-section{selector {
  position: relative;
  overflow: hidden;
}

selector::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: #1a1a1a; /* match your page/section colour */
  transform: translateX(0);
  transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
  z-index: 2;
}

selector.revealed::after {
  transform: translateX(-101%);
}\n}