.preloader {
  position: relative;
  left: 0px;
  top: 0px;
  right: 0px;
  bottom: 0px;
  z-index: 99999;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -webkit-flex-direction: row;
  -ms-flex-direction: row;
  flex-direction: row;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}

.preloader_img {
  position: fixed;
  z-index: 9999;
  max-width: 50%;
}

.preloader_door_l {
  position: absolute;
  width: 50vw;
  height: 100%;
  -webkit-align-self: flex-start;
  -ms-flex-item-align: start;
  align-self: flex-start;
  background-color: #fff;
}

.preloader_door_r {
  position: absolute;
  width: 50vw;
  height: 100%;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-align-self: flex-end;
  -ms-flex-item-align: end;
  align-self: flex-end;
  background-color: #fff;
}

.body {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}

@media screen and (max-width: 991px) {
  .preloader_door_l {
    height: 100%;
  }
  .preloader_door_r {
    height: 100%;
  }
}

@media screen and (max-width: 767px) {
  .preloader_door_l {
    height: 100%;
  }
  .preloader_door_r {
    height: 100%;
  }
}

@media screen and (max-width: 479px) {
  .preloader {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }
  .preloader_img {
    max-width: 80%;
  }
  .preloader_door_l {
    height: 100%;
  }
  .preloader_door_r {
    height: 100%;
  }
}