.preloader {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: 3000;
  background: black;
  margin: 0 auto;
}

.preloader.error {
  background: #000 url(../imgPlatform1/session_error.png) 50% 50% no-repeat;
  background-size: contain;
}

.preloader.error > * {
  display: none;
}

.preloader .chicken {
  background: transparent url("img/logo.png") 50% 50% no-repeat;
  background-size: contain;
  height: 45%;
  margin-top: calc(100vh * 0.09);
  margin-bottom: calc(100vh * 0.12);
}

.preloader .load_gif {
  background: transparent url("img/loader.gif") 50% 50% no-repeat;
  background-size: contain;
  height: 13%;
}

@media screen and (max-width: 992px) {
  .preloader .chicken,
  .preloader .load_gif {
    margin: 0;
    width: 50%;
    height: 100%;
    float: left;
    background-size: auto;
  }
}