.loader-rings {
  display: inline-block;
  width: 65px;
  height: 65px;
  margin-bottom: 20px;
}

.loader-rings:after {
  content: " ";
  display: block;
  width: 55px;
  height: 55px;
  margin: 1px;
  border-radius: 50%;
  border: 4px solid #3fd5b8;
  border-color: #3fd5b8 transparent #3fd5b8 transparent;
  animation: loader-rings 1.2s linear infinite;
}

.loader-rings__wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes loader-rings {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}