.loader, .loader:before, .loader:after {
  border-radius: 50%;
  width: 2.5em;
  height: 2.5em;
  animation-fill-mode: both;
  animation: bblFadInOut 1.8s infinite ease-in-out;
}
.loader {
  color: #7d7d7d;
  font-size: 7px;
  position: relative;
  text-indent: -9999em;
  transform: translateZ(0);
  animation-delay: -0.16s;
  margin: 90px auto !important;
}
.loader:before,
.loader:after {
  content: '';
  position: absolute;
  top: 0;
}
.loader:before {
  left: -3.5em;
  animation-delay: -0.32s;
}
.loader:after {
  left: 3.5em;
}

@keyframes bblFadInOut {
  0%, 80%, 100% { box-shadow: 0 2.5em 0 -1.3em }
  40% { box-shadow: 0 2.5em 0 0 }
}

.spinner-loading {
  width: 40px;
  height: 40px;
  margin: 100px auto;
  background-color: #333;

  border-radius: 100%;  
  -webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
  animation: sk-scaleout 1.0s infinite ease-in-out;
}

@-webkit-keyframes sk-scaleout {
  0% { -webkit-transform: scale(0) }
  100% {
    -webkit-transform: scale(1.0);
    opacity: 0;
  }
}

@keyframes sk-scaleout {
  0% { 
    -webkit-transform: scale(0);
    transform: scale(0);
  } 100% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
    opacity: 0;
  }
}


.spinner {
  flex: 1 0 auto;
  margin: 30px auto;
  width: 70px;
  text-align: center;
}

.spinner.floating {
  position: absolute;
  z-index: 1;
  transform: scale(0.7, 0.7);
}

.spinner>div {
  width: 18px;
  height: 18px;
  background-color: #fff;
  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;
}

.spinner.dark>div {
  background-color: rgba(0, 0, 0, 0.33);
}

.spinner .bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}

.spinner .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(1.0)
  }
}

@keyframes sk-bouncedelay {

  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
  }
}