.shadow {
  background-color: #00000050;
}

:is(.left-shadow, .right-shadow, .top-shadow, .bottom-shadow) {
  background-color: transparent !important;
}

.left-shadow {
  background-image: linear-gradient(to right, black, transparent) !important;
}

.right-shadow {
  background-image: linear-gradient(to left, black, transparent) !important;
}

.bottom-shadow {
  background-image: linear-gradient(to top, black, transparent) !important;
}

.top-shadow {
  background-image: linear-gradient(to bottom, black, transparent) !important;
}