.e-loading {
  width: 100%;
  height: 100%;
  min-height: 140px;
  text-align: center;
  margin: 0 auto;
  padding: 0;

  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.4);
}
.e-loading.hidden {
  display: none;
}
.e-loading .loading-animate {
  width: 81px;
  height: 54px;
  background-image: url(images/loading-w.gif);
  background-repeat: no-repeat;
  background-position: 0;
  background-size: 100% 100%;

  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@media (max-width: 767px) {
  .e-loading .loading-animate {
    width: calc(81px * 0.75);
    height: calc(54px * 0.75);
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .e-loading .loading-animate {
    width: calc(81px * 0.85);
    height: calc(54px * 0.85);
  }
}