/*(cs)spinner bar follow - a simple strafing bar animation that follows itself*/
$bar-height: $height / 2;
$bar-width: $width;
$bar-color: rgba(0, 0, 0, .5);
.csspinner.bar.follow:after {
  animation: bar-follow 1s infinite linear;
}
@keyframes bar-follow {
  0% {
    box-shadow: inset $bar-width 0px 0px $bar-color;
  }
  100% {
    box-shadow: inset -$bar-width 0px 0px $bar-color;
  }
}
