.loader {
  display: none;
  width: 100%;
  height: 100%;
}

.loader img {
  width: 220px;
  height: 220px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

.rotate {
  animation: rotateAnimation 3s infinite linear;
}

@keyframes rotateAnimation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.loader_overlay {
  display: none;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.685);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 0;
}