.spinner-host {
  background-color: #f7f7f7;
  height: 100vh;
}

.spinner-middle {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  background-color: #3bb18f;
  margin: 0 auto;
  -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
  animation: sk-rotateplane 1.2s infinite ease-in-out;
}

@-webkit-keyframes sk-rotateplane {
  0% {
    -webkit-transform: perspective(120px);
  }

  50% {
    -webkit-transform: perspective(120px) rotateY(180deg);
  }

  100% {
    -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg);
  }
}

@keyframes sk-rotateplane {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }

  50% {
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }

  100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}