@skeleton-elements/vue/skeleton-block.css

Skeleton elements (aka UI Skeletons, Skeleton Screens, Ghost Elements) are representations of UI that will be available (loaded) soon. They are designed to improve perceived performance.

:root {
  --skeleton-color: #ccc;
  --skeleton-icon-color: rgba(0, 0, 0, 0.25); }

.skeleton-block {
  height: 1em;
  background: var(--skeleton-color) !important;
  width: 100%;
  display: block; }