/*(cs)spinner line back and forth - a simple strafing line animation that goes back and forth*/
$line-width: $width;
$line-height: $height / 2;
$line-color: rgba(0, 0, 0, .5);
.csspinner.line.back-and-forth:after {
  animation: line-back-and-forth 1s infinite linear;
}
@keyframes line-back-and-forth {
  0% {
    width: 10px;
  }
  50% {
    width: $line-width + 10px;
  }
  100% {
    width: 10px;
  }
}
