.spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  background-color: rgba(0, 0, 0, 0.5);
  pointer-events: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
  transition: opacity 0.25s ease-in-out;
}

.spinner[hidden] {
  pointer-events: none;
}

.spinner > div {
  width: 18px;
  height: 18px;
  background-color: #fff;

  border-radius: 100%;
  display: inline-block;
  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner .bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}

.spinner .bounce2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
  }
}

@keyframes sk-bouncedelay {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}