.overlay {
  background: #fff;
  bottom: 0;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 998; }

.loader {
  left: 50%;
  position: absolute;
  top: 50%;
  -webkit-transform: translate3d(-50%, -50%, 0);
          transform: translate3d(-50%, -50%, 0);
  z-index: 999; }
  .loader .dot {
    -webkit-animation: slide 1s infinite;
            animation: slide 1s infinite;
    background: #3ac;
    border-radius: 100%;
    display: inline-block;
    height: 24px;
    width: 24px; }
    .loader .dot:nth-child(1) {
      -webkit-animation-delay: 0.1s;
              animation-delay: 0.1s;
      background: #32aacc; }
    .loader .dot:nth-child(2) {
      -webkit-animation-delay: 0.2s;
              animation-delay: 0.2s;
      background: #64aacc; }
    .loader .dot:nth-child(3) {
      -webkit-animation-delay: 0.3s;
              animation-delay: 0.3s;
      background: #96aacc; }
    .loader .dot:nth-child(4) {
      -webkit-animation-delay: 0.4s;
              animation-delay: 0.4s;
      background: #c8aacc; }
    .loader .dot:nth-child(5) {
      -webkit-animation-delay: 0.5s;
              animation-delay: 0.5s;
      background: #faaacc; }

@-webkit-keyframes slide {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1); }
  50% {
    opacity: 0.3;
    -webkit-transform: scale(2);
            transform: scale(2); }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1); } }

@keyframes slide {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1); }
  50% {
    opacity: 0.3;
    -webkit-transform: scale(2);
            transform: scale(2); }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1); } }