.loading-back{
  background: rgba(16,161,226,0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  left:0;
  top: 0;
  z-index: 999999999;
  padding-top: 100px;
  display: none;
}
.loading-back .loader{
  font-size: 13px;
}
.loader {
  margin: auto;
  font-size: 25px;
  width: 64px;
  height: 64px;
  position: absolute;
  top: 0;
  bottom: 64px;
  left: 0;
  right: 0;
  text-indent: -9999em;
  background-image: url('/img/svg/bars.svg');
  background-size: 64px;
}