.spinner {
  position: absolute;
  width: 100%;
  height: 100%;
  background: transparent;
  top: 0;
  left: 0;
  min-height: 80vh; }

.sk-chase {
  width: 80px;
  height: 80px;
  position: absolute;
  top: calc(50% - 40px);
  left: calc(50% - 40px);
  animation: sk-chase 2.5s infinite linear both; }

.sk-chase-dot {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  animation: sk-chase-dot 2.0s infinite ease-in-out both; }

.sk-chase-dot:before {
  content: '';
  display: block;
  width: 25%;
  height: 25%;
  background-color: #3b404d;
  border-radius: 100%;
  animation: sk-chase-dot-before 2.0s infinite ease-in-out both; }

.sk-chase-dot:nth-child(1) {
  animation-delay: -1.1s; }

.sk-chase-dot:nth-child(2) {
  animation-delay: -1.0s; }

.sk-chase-dot:nth-child(3) {
  animation-delay: -0.9s; }

.sk-chase-dot:nth-child(4) {
  animation-delay: -0.8s; }

.sk-chase-dot:nth-child(5) {
  animation-delay: -0.7s; }

.sk-chase-dot:nth-child(6) {
  animation-delay: -0.6s; }

.sk-chase-dot:nth-child(1):before {
  animation-delay: -1.1s; }

.sk-chase-dot:nth-child(2):before {
  animation-delay: -1.0s; }

.sk-chase-dot:nth-child(3):before {
  animation-delay: -0.9s; }

.sk-chase-dot:nth-child(4):before {
  animation-delay: -0.8s; }

.sk-chase-dot:nth-child(5):before {
  animation-delay: -0.7s; }

.sk-chase-dot:nth-child(6):before {
  animation-delay: -0.6s; }

@keyframes sk-chase {
  100% {
    transform: rotate(360deg); } }

@keyframes sk-chase-dot {
  80%, 100% {
    transform: rotate(360deg); } }

@keyframes sk-chase-dot-before {
  50% {
    transform: scale(0.4); }
  100%, 0% {
    transform: scale(1); } }