.loader {
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  background: #ffffff;
  height: 100vh;
  position: sticky;
  top: 115px;
}

.loader.hidden {
  display: none;
}

.loader img {
  width: 100px;
  height: 100px;
}

@media screen and (max-width: 767px) {
  .loader {
    top: 90px;
  }
}