.content-spinner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 50;
  overflow: hidden;

  &__inner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    transform: translate(-50%, -50%);
  }
}

.content-spinner__circle {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;

  &:before {
    content: '';
    display: block;
    margin: 0 auto;
    width: 8px;
    height: 24px;
    background-color: #333;
    border-radius: 4px;
    -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;
    animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;
  }

  &--2 {
    -webkit-transform: rotate(30deg);
    -ms-transform: rotate(30deg);
    transform: rotate(30deg);
  }
  &--3 {
    -webkit-transform: rotate(60deg);
    -ms-transform: rotate(60deg);
    transform: rotate(60deg);
  }
  &--4 {
    -webkit-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
  }
  &--5 {
    -webkit-transform: rotate(120deg);
    -ms-transform: rotate(120deg);
    transform: rotate(120deg);
  }
  &--6 {
    -webkit-transform: rotate(150deg);
    -ms-transform: rotate(150deg);
    transform: rotate(150deg);
  }
  &--7 {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  &--8 {
    -webkit-transform: rotate(210deg);
    -ms-transform: rotate(210deg);
    transform: rotate(210deg);
  }
  &--9 {
    -webkit-transform: rotate(240deg);
    -ms-transform: rotate(240deg);
    transform: rotate(240deg);
  }
  &--10 {
    -webkit-transform: rotate(270deg);
    -ms-transform: rotate(270deg);
    transform: rotate(270deg);
  }
  &--11 {
    -webkit-transform: rotate(300deg);
    -ms-transform: rotate(300deg);
    transform: rotate(300deg);
  }
  &--12 {
    -webkit-transform: rotate(330deg);
    -ms-transform: rotate(330deg);
    transform: rotate(330deg);
  }

  &--2:before {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
  }
  &--3:before {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
  }
  &--4:before {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
  }
  &--5:before {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
  }
  &--6:before {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
  }
  &--7:before {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
  }
  &--8:before {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
  }
  &--9:before {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
  }
  &--10:before {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
  }
  &--11:before {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
  }
  &--12:before {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
  }
}


@-webkit-keyframes sk-circleFadeDelay {
  0%, 39%, 100% { opacity: 0; }
  40% { opacity: 1; }
}

@keyframes sk-circleFadeDelay {
  0%, 39%, 100% { opacity: 0; }
  40% { opacity: 1; }
}