.loading{
  width: 100%;
  height: 100%;
  position: fixed;
  inset: 0;  
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff url(../images/loading.gif) no-repeat center center;
  background-size: 96px 96px;
  z-index: 99999999999;
}