.banner-anim {
  position: relative;
  overflow: hidden;
  min-height: 100px;
}
.banner-anim-elem {
  height: 100%;
}
.banner-anim-elem > * {
  position: relative;
}
.banner-anim-elem-mask {
  position: relative;
  overflow: hidden;
  width: 100%;
}
.banner-anim-arrow {
  cursor: pointer;
  position: absolute;
  z-index: 10;
}
.banner-anim-arrow-default {
  position: absolute;
  width: 20px;
  height: 60px;
  margin-top: -30px;
  top: 50%;
  background: rgba(0, 0, 0, 0.3);
}
.banner-anim-arrow-default.next {
  right: 0;
}
.banner-anim-arrow-default.next:before,
.banner-anim-arrow-default.prev:before,
.banner-anim-arrow-default.next:after,
.banner-anim-arrow-default.prev:after {
  width: 2px;
  height: 15px;
  background: #fff;
  display: block;
  content: ' ';
  position: absolute;
}
.banner-anim-arrow-default.next:before {
  transform: rotate(-40deg);
  top: 18px;
  left: 10px;
}
.banner-anim-arrow-default.next:after {
  transform: rotate(40deg);
  bottom: 17px;
  left: 10px;
}
.banner-anim-arrow-default.prev:before {
  transform: rotate(40deg);
  top: 18px;
  left: 8px;
}
.banner-anim-arrow-default.prev:after {
  transform: rotate(-40deg);
  bottom: 17px;
  left: 8px;
}
.banner-anim-thumb {
  position: absolute;
  bottom: 0;
  margin: 0;
  padding: 0;
  width: 100%;
  text-align: center;
  pointer-events: none;
  z-index: 10;
}
.banner-anim-thumb > span {
  pointer-events: auto;
  cursor: pointer;
  display: inline-block;
  list-style: none;
}
.banner-anim-thumb-default {
  height: 40px;
  line-height: 40px;
}
.banner-anim-thumb-default span {
  width: 8px;
  height: 8px;
  border-radius: 8px;
  margin: 0 5px;
  background: rgba(102, 102, 102, 0.35);
  transition: background .3s;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.25);
}
.banner-anim-thumb-default span:active,
.banner-anim-thumb-default span.active {
  background: #fff;
}