.loader-ring {
  position: absolute;
  overflow: hidden;
  width: 80px;
  height: 80px;
  left: 35%;
  top: 25%;
  transform: translateX(-50%) translateY(-25%);
  transition: all .5s ease;
}
.loader-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 64px;
  height: 64px;
  margin: 8px;
  border: 8px solid #1b2949;
  border-radius: 50%;
  animation: loader-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #1b2949 transparent transparent transparent;
}
.loader-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.loader-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.loader-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes loader-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@media screen and (max-width: 1100px) { 
    .loader-ring {
      left: 50%;
      top: 25%;
      transform: translateX(-50%) translateY(-25%);
      transition: all .5s ease;
    }
}