.carousel {
  margin: 50px auto;
  padding: 0 70px;
}
.carousel .item .img-box {
  height: 160px;
  width: 100%;
  position: relative;
}
.carousel .item img { 
  max-width: 100%;
  max-height: 100%;
  display: inline-block;
  position: absolute;
  bottom: 0;
  margin: 0 auto;
  left: 0;
  right: 0;
}
.carousel .carousel-control {
  height: 100px;
    width: 40px;
    background: none;
    margin: auto 0;
    background: rgba(0, 0, 0, 0.2);
}
.carousel .carousel-control i {
    font-size: 30px;
    position: absolute;
    top: 50%;
    display: inline-block;
    margin: -16px 0 0 0;
    z-index: 5;
    left: 0;
    right: 0;
    color: rgba(0, 0, 0, 0.8);
    text-shadow: none;
    font-weight: bold;
}
.carousel-indicators li, .carousel-indicators li.active {
  width: 10px;
  height: 10px;
  margin: 4px;
  border-radius: 50%;
  border-color: transparent;
}