Auto Height

The container animates its height to match the active slide. Each slide has a different height.

Short

Medium
height

Tall
slide
content

Short again

Medium
again

View code

<div class="c--slider-a" id="my-slider">
  <div class="c--slider-a__wrapper">
    <div class="c--slider-a__slide slide-short">Short</div>
    <div class="c--slider-a__slide slide-medium">Medium<br/>height</div>
    <div class="c--slider-a__slide slide-tall">Tall<br/>slide<br/>content</div>
    <div class="c--slider-a__slide slide-short">Short again</div>
    <div class="c--slider-a__slide slide-medium">Medium<br/>again</div>
  </div>
</div>
<div id="my-pagination" class="c--slider-a__pagination"></div>

.c--slider-a {
  position: relative;
  width: 100%;
  overflow: hidden;
  /* height is animated by the autoHeight plugin */
  transition: height 400ms ease;
}
.c--slider-a__wrapper {
  display: flex;
  will-change: transform;
  align-items: flex-start; /* important: don't stretch slides */
}
.c--slider-a__slide {
  flex-shrink: 0;
  width: 100%;
}

/* Different heights per slide */
.slide-short  { height: 120px; }
.slide-medium { height: 200px; }
.slide-tall   { height: 300px; }

/* Pagination dots */
.c--slider-a__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 0;
}
.c--slider-a__pagination-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d1d5db;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.c--slider-a__pagination-bullet--active {
  background: #6C2BD9;
  transform: scale(1.3);
}

/* Auto-created arrows */
.c--slider-a__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
.c--slider-a__arrow--prev { left: 12px; }
.c--slider-a__arrow--next { right: 12px; }
.c--slider-a__arrow--disabled { opacity: 0.3; pointer-events: none; }

.slide-short {
  height: 120px;
}

.slide-medium {
  height: 200px;
}

.slide-tall {
  height: 300px;
}

.c--slider-a {
  position: relative;
  width: 100%;
  overflow: hidden;
  transition: height 400ms ease;

  &__wrapper {
    display: flex;
    will-change: transform;
    align-items: flex-start;
  }

  &__slide {
    flex-shrink: 0;
    width: 100%;
  }

  &__pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 0;
  }

  &__pagination-bullet {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d1d5db;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;

    &--active {
      background: #6C2BD9;
      transform: scale(1.3);
    }
  }

  &__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);

    &--prev {
      left: 12px;
    }

    &--next {
      right: 12px;
    }

    &--disabled {
      opacity: 0.3;
      pointer-events: none;
    }
  }
}

import { Slider } from '@andresclua/sliderkit'
import { arrows, pagination, autoHeight } from '@andresclua/sliderkit-plugins'

new Slider('#my-slider', {
  loop: false,
  rewind: true,
  plugins: [
    arrows(),
    autoHeight({ animationDuration: 400 }),
    pagination({ el: '#my-pagination', type: 'dots', clickable: true }),
  ],
})