/*!
 * Load Awesome v1.1.0 (http://github.danielcardoso.net/load-awesome/)
 * Copyright 2015 Daniel Cardoso <@DanielCardoso>
 * Licensed under MIT
 */
.la-ball-newton-cradle,
.la-ball-newton-cradle > div {
  position: relative;

  box-sizing: border-box;
}

.la-ball-newton-cradle {
  display: block;
  font-size: 0;
  color: #fff;
}

.la-ball-newton-cradle.la-dark {
  color: #333;
}

.la-ball-newton-cradle > div {
  display: inline-block;
  float: none;
  background-color: currentColor;
  border: 0 solid currentColor;
}

.la-ball-newton-cradle {
  width: 40px;
  height: 10px;
}

.la-ball-newton-cradle > div {
  width: 10px;
  height: 10px;
  border-radius: 100%;
}

.la-ball-newton-cradle > div:first-child {
  transform: translateX(0%);

  animation: ball-newton-cradle-left 1s 0s ease-out infinite;
}

.la-ball-newton-cradle > div:last-child {
  transform: translateX(0%);

  animation: ball-newton-cradle-right 1s 0s ease-out infinite;
}

.la-ball-newton-cradle.la-sm {
  width: 20px;
  height: 4px;
}

.la-ball-newton-cradle.la-sm > div {
  width: 4px;
  height: 4px;
}

.la-ball-newton-cradle.la-2x {
  width: 80px;
  height: 20px;
}

.la-ball-newton-cradle.la-2x > div {
  width: 20px;
  height: 20px;
}

.la-ball-newton-cradle.la-3x {
  width: 120px;
  height: 30px;
}

.la-ball-newton-cradle.la-3x > div {
  width: 30px;
  height: 30px;
}

/*
 * Animations
 */

@keyframes ball-newton-cradle-left {
  25% {
    transform: translateX(-100%);

    animation-timing-function: ease-in;
  }
  50% {
    transform: translateX(0%);
  }
}

@keyframes ball-newton-cradle-right {
  50% {
    transform: translateX(0%);
  }
  75% {
    transform: translateX(100%);

    animation-timing-function: ease-in;
  }
  100% {
    transform: translateX(0%);
  }
}