@keyframes skeleton-loading {
  0% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0 50%;
  }
}
@keyframes blink {
  0% {
    opacity: .4;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: .4;
  }
}

.container {
  position: fixed;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100vh;
  z-index: 998;
  overflow: hidden;

  .item {
    position: fixed;
    display: inline-block;
    z-index: 999;
    background: linear-gradient(90deg, #f2f2f2 25%, #e6e6e6 37%, #f2f2f2 63%);
    background-size: 400% 100%;
    animation-duration: 2s;
    animation-name: blink;
    animation-iteration-count: infinite;
    animation: skeleton-loading 1.5s ease infinite;

    &.rect {
      border-radius: 50%;
    }

    &.circ {
      border-radius: 50%;
    }
  }
}