twbs--bootstrap/lib/carousel.less

// CAROUSEL
// --------

.carousel {
  position: relative;
  line-height: 1;
}

.carousel-inner {
  overflow: hidden;
  width: 100%;
  position: relative;
}

.carousel {

  .item {
    display: none;
    position: relative;
    .transition(.6s ease-in-out left);
  }

  .active, 
  .next, 
  .prev { display: block; }

  .active {
    left: 0;
  }

  .next, 
  .prev {
    position: absolute;
    top: 0;
    width: 100%;
  }

  .next {
    left: 100%;
  }
  .prev {
    left: -100%;
  }
  .next.left, 
  .prev.right {
    left: 0;
  }

  .active.left {
    left: -100%;
  }
  .active.right {
    left: 100%;
  }

}

// Left/right controls for nav
// ---------------------------

.carousel-control {
  position: absolute;
  top: 40%;
  left: 15px;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  font-size: 60px;
  font-weight: 100;
  line-height: 30px;
  color: #ccc;
  text-align: center;
  background: @grayLight;
  background: rgba(0,0,0,.5);
  .border-radius(20px);

  // Reposition the right one
  &.right {
    left: auto;
    right: 15px;
  }

  // Hover state
  &:hover {
    color: @white;
    text-decoration: none;
    background: @grayDark;
    background: rgba(0,0,0,.75);
  }
}

// Caption for text below images
// -----------------------------

.carousel-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 15px 5px;
  background: @grayDark;
  background: rgba(0,0,0,.75);
}
.carousel-caption h4,
.carousel-caption p {
  color: @white;
}