#skeleton {
  height: 100%;
  width: 100%;
  position: fixed;
  overflow: hidden;
  z-index: 99999;
  background: #FFFFFF;
  }
  #skeleton img {
    width: 4rem;
    height: 4rem;
    margin: 0 auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
  }