.media-gallery-content > .media-gallery-section:first-child {
  position: relative;
  z-index: 0;
  isolation: isolate;
  padding: 38px 0;
  margin-right: 0;
  margin-left: 0;
  background: transparent;
  box-shadow: none;
  clip-path: none;
}

.media-gallery-content > .media-gallery-section:first-child::before {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  background: #f4f6f8;
  content: '';
  transform: translateX(-50%);
}