.xb-slider {
  position: relative;
  overflow: hidden;
}
.xb-slider__track {
  display: flex;
  transition: transform .5s ease;
}
.xb-slider__slide {
  min-width: 100%;
}
.xb-slider__slide img {
  width: 100%;
  height: auto;
  display: block;
}

/* fade */
.xb-slider[data-effect="fade"] .xb-slider__track {
  display: block;
}
.xb-slider[data-effect="fade"] .xb-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
}
.xb-slider[data-effect="fade"] .xb-slider__slide.is-active {
  opacity: 1;
  position: relative;
}

/* scale */
.xb-slider[data-effect="scale"] .xb-slider__slide img {
  transform: scale(.96);
  transition: transform .6s ease;
}
.xb-slider[data-effect="scale"] .xb-slider__slide.is-active img {
  transform: scale(1);
}

.xb-slider__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.35);
  color: #fff;
  border: 0;
  font-size: 26px;
  padding: 6px 12px;
  cursor: pointer;
}
.xb-slider__prev { left: 10px; }
.xb-slider__next { right: 10px; }

.xb-slider__dots {
  text-align: center;
  margin-top: 8px;
}
.xb-slider__dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: #ccc;
  border-radius: 50%;
  margin: 0 5px;
  cursor: pointer;
}
.xb-slider__dot.is-active { background: #111; }

@media (max-width: 600px) {
  .xb-slider__nav { font-size: 20px; }
}