.spinner {
  width: 50px;
  height: 50px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  -webkit-animation: rotate-all 1s linear infinite;
  box-sizing: border-box;
}
.spinner .spinner-right-side,
.spinner .spinner-left-side {
  width: 50%;
  height: 100%;
  position: absolute;
  top: 0;
  overflow: hidden;
  box-sizing: border-box;
}
.spinner .spinner-left-side {
  left: 0;
}
.spinner .spinner-left-side .spinner-bar {
  border-right: none;
  transform: rotate(10deg);
  transform-origin: right center;
  animation: rotate-left 0.75s linear infinite alternate;
}
.spinner .spinner-right-side {
  right: 0;
}
.spinner .spinner-right-side .spinner-bar {
  border-radius: 0 100px 100px 0;
  border-left: none;
  transform: rotate(-10deg);
  transform-origin: left center;
  animation: rotate-right 0.75s linear infinite alternate;
}
.spinner .spinner-bar {
  width: 100%;
  height: 100%;
  border-radius: 100px 0 0 100px;
  border: 5px solid #FFFFFF;
  position: relative;
  box-sizing: border-box;
}

@keyframes rotate-left {
  to {
    transform: rotate(30deg);
  }
  from {
    transform: rotate(175deg);
  }
}
@keyframes rotate-right {
  from {
    transform: rotate(-175deg);
  }
  to {
    transform: rotate(-30deg);
  }
}
@keyframes rotate-all {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

/*# sourceMappingURL=basic_spinner.css.map */