.app-loader {
  display: block;
  position: fixed;
  background: rgba(0, 0, 0, 0.7) url("/img/shared/loader.svg") center center no-repeat;
  -moz-background-size: 40px 40px;
    -o-background-size: 40px 40px;
       background-size: 40px 40px;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  font-size: 0;
  line-height: 0; }