.loader-container {
  position: absolute;
  z-index: 1;
  background-color: white;
  width: 100%;
  opacity: 0.7;
  height: 100%;
}

.loader {
  position: relative;
  display: flex;
  top: 46%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  justify-content: space-between;
  flex-flow: row nowrap;
}

.loader span {
  width: 0.8em;
  height: 0.8em;
  border-radius: 50%;
  background-color: #13a0f0;
  transform: translateY(-100%);
  animation-duration: 0.3s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-play-state: running;
  animation-name: wave;
  animation-fill-mode: none;
}

.loader span:nth-of-type(1) {
  animation-delay: -0.2s;
}

.loader span:nth-of-type(2) {
  animation-delay: -0.1s;
}

@keyframes wave {
  from {
    transform: translateY(-100%);
  }

  to {
    transform: translateY(100%);
  }
}