testserver/backup/css/components/preloaders.css
/*
 * Circle progress
*/
.circle-progress {
  width: 36px;
  height: 36px;
  position: relative;
  text-align: center;
  display: block;
  left: 50%;
  right: 0;
  margin-left: -18px;
  z-index: 20;
  opacity: 0;
  transition: opacity 0.65s ease;
  background-color: #fff;
  border-radius: 50%;
}
.circle-progress.active {
  opacity: 1;
}
.circle-progress.active .spinner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border-top: 3px solid #0084e7;
  border-right: 3px solid #0084e7;
  border-bottom: 3px solid #0084e7;
  border-left: 3px solid #eee;
  -webkit-animation: circleLoading 900ms infinite linear;
          animation: circleLoading 900ms infinite linear;
}
.progress {
  position: relative;
  left: 0;
  right: 0;
  z-index: 20;
  height: 6px;
  display: none;
  width: 100%;
  background-color: rgba(255,255,255,0.4);
  border-radius: 2px;
  background-clip: padding-box;
  overflow: hidden;
}
.progress.active {
  display: block;
}
.progress .determinate {
  position: absolute;
  top: 0;
  bottom: 0;
  background-color: #0084e7;
  transition: width 0.2s linear;
}
@-webkit-keyframes circleLoading {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes circleLoading {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
