wekan/client/components/main/spinner_bounce.css

.sk-spinner-bounce {
  margin: 100px auto 0;
  width: 70px;
  text-align: center;
}
.sk-spinner-bounce div {
  width: 18px;
  height: 18px;
  background-color: #333;
  border-radius: 100%;
  display: inline-block;
  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}
.sk-spinner-bounce .sk-bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}
.sk-spinner-bounce .sk-bounce2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}
@-webkit-keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
  }
}
@-moz-keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-webkit-keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-o-keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}