@gravity-ui/uikit/build/esm/components/Skeleton/Skeleton.css

Gravity UI base styling and components

.g-skeleton {
  --_--animation-from: calc(-100% * var(--g-flow-direction));
  --_--animation-to: calc(100% * var(--g-flow-direction));
  --_--gradient-deg: calc(90deg * var(--g-flow-direction));
  display: inline-block;
  position: relative;
  z-index: 0;
  width: 100%;
  border-radius: 5px;
  overflow: hidden;
  background-color: var(--g-color-base-generic);
}
.g-skeleton::after {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--_--gradient-deg), transparent, var(--g-color-base-generic));
  animation: g-skeleton 1.2s ease-out infinite;
  content: "";
}

@keyframes g-skeleton {
  0% {
    transform: translateX(var(--_--animation-from));
  }
  100% {
    transform: translateX(var(--_--animation-to));
  }
}