Pure CSS Carousel / Slidershow

A pure CSS carousel that enables the user to slide / fade through a group of background images using CSS3 transitions, transforms and animations. The full Tutorial.

How to use it:

The basic html structure for the carousel.

<ul class="carousel my-carousel">
  <input type="radio" id="1" name="activator" checked="checked" class="carousel__activator"/>
  <input type="radio" id="2" name="activator" class="carousel__activator"/>
  <input type="radio" id="3" name="activator" class="carousel__activator"/>
  <input type="radio" id="4" name="activator" class="carousel__activator"/>
  <input type="radio" id="5" name="activator" class="carousel__activator"/>
  <div class="carousel__controls">
    <label for="2" class="carousel__control carousel__control--backward"></label>
    <label for="5" class="carousel__control carousel__control--forward"></label>
  </div>
  <div class="carousel__controls">
    <label for="3" class="carousel__control carousel__control--backward"></label>
    <label for="1" class="carousel__control carousel__control--forward"></label>
  </div>
  <div class="carousel__controls">
    <label for="4" class="carousel__control carousel__control--backward"></label>
    <label for="2" class="carousel__control carousel__control--forward"></label>
  </div>
  <div class="carousel__controls">
    <label for="5" class="carousel__control carousel__control--backward"></label>
    <label for="3" class="carousel__control carousel__control--forward"></label>
  </div>
  <div class="carousel__controls">
    <label for="1" class="carousel__control carousel__control--backward"></label>
    <label for="4" class="carousel__control carousel__control--forward"></label>
  </div>
  <li class="carousel__slide">
    <h1>1</h1>
  </li>
  <li class="carousel__slide">
    <h1>2</h1>
  </li>
  <li class="carousel__slide">
    <h1>3</h1>
  </li>
  <li class="carousel__slide">
    <h1>4</h1>
  </li>
  <li class="carousel__slide">
    <h1>5</h1>
  </li>
  <div class="carousel__indicators">
    <label for="1" class="carousel__indicator"></label>
    <label for="2" class="carousel__indicator"></label>
    <label for="3" class="carousel__indicator"></label>
    <label for="4" class="carousel__indicator"></label>
    <label for="5" class="carousel__indicator"></label>
  </div>
</ul>

The primary CSS/CSS3 styles.

.carousel {
  height: 300px;
  width: 400px;
  overflow: hidden;
  text-align: center;
  position: relative;
  padding: 0;
}
.carousel__controls, .carousel__slide, .carousel__activator { display: none; }
.carousel__activator:nth-of-type(5):checked ~ .carousel__track {
  -webkit-transform: translateX(-400%);
  transform: translateX(-400%);
}
.carousel__activator:nth-of-type(5):checked ~ .carousel__slide:nth-of-type(5) {
  -webkit-animation: carousel-show-slide 0.5s;
  animation: carousel-show-slide 0.5s;
  display: block;
}
.carousel__activator:nth-of-type(5):checked ~ .carousel__controls:nth-of-type(5) { display: block; }
.carousel__activator:nth-of-type(5):checked ~ .carousel__indicators .carousel__indicator:nth-of-type(5) { opacity: 1; }
.carousel__activator:nth-of-type(4):checked ~ .carousel__track {
  -webkit-transform: translateX(-300%);
  transform: translateX(-300%);
}
.carousel__activator:nth-of-type(4):checked ~ .carousel__slide:nth-of-type(4) {
  -webkit-animation: carousel-show-slide 0.5s;
  animation: carousel-show-slide 0.5s;
  display: block;
}
.carousel__activator:nth-of-type(4):checked ~ .carousel__controls:nth-of-type(4) { display: block; }
.carousel__activator:nth-of-type(4):checked ~ .carousel__indicators .carousel__indicator:nth-of-type(4) { opacity: 1; }
.carousel__activator:nth-of-type(3):checked ~ .carousel__track {
  -webkit-transform: translateX(-200%);
  transform: translateX(-200%);
}
.carousel__activator:nth-of-type(3):checked ~ .carousel__slide:nth-of-type(3) {
  -webkit-animation: carousel-show-slide 0.5s;
  animation: carousel-show-slide 0.5s;
  display: block;
}
.carousel__activator:nth-of-type(3):checked ~ .carousel__controls:nth-of-type(3) { display: block; }
.carousel__activator:nth-of-type(3):checked ~ .carousel__indicators .carousel__indicator:nth-of-type(3) { opacity: 1; }
.carousel__activator:nth-of-type(2):checked ~ .carousel__track {
  -webkit-transform: translateX(-100%);
  transform: translateX(-100%);
}
.carousel__activator:nth-of-type(2):checked ~ .carousel__slide:nth-of-type(2) {
  -webkit-animation: carousel-show-slide 0.5s;
  animation: carousel-show-slide 0.5s;
  display: block;
}
.carousel__activator:nth-of-type(2):checked ~ .carousel__controls:nth-of-type(2) { display: block; }
.carousel__activator:nth-of-type(2):checked ~ .carousel__indicators .carousel__indicator:nth-of-type(2) { opacity: 1; }
.carousel__activator:nth-of-type(1):checked ~ .carousel__track {
  -webkit-transform: translateX(0%);
  transform: translateX(0%);
}
.carousel__activator:nth-of-type(1):checked ~ .carousel__slide:nth-of-type(1) {
  -webkit-animation: carousel-show-slide 0.5s;
  animation: carousel-show-slide 0.5s;
  display: block;
}
.carousel__activator:nth-of-type(1):checked ~ .carousel__controls:nth-of-type(1) { display: block; }
.carousel__activator:nth-of-type(1):checked ~ .carousel__indicators .carousel__indicator:nth-of-type(1) { opacity: 1; }
.carousel__control {
  height: 30px;
  width: 30px;
  margin-top: -15px;
  top: 50%;
  position: absolute;
  display: block;
  cursor: pointer;
  border-width: 5px 5px 0 0;
  border-style: solid;
  border-color: #fafafa;
  opacity: 0.35;
  outline: 0;
  z-index: 3;
}
.carousel__control:hover { opacity: 1; }
.carousel__control--forward {
  left: 10px;
  -webkit-transform: rotate(-135deg);
  transform: rotate(-135deg);
}
.carousel__control--backward {
  right: 10px;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
.carousel__indicators {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
}
.carousel__indicator {
  height: 15px;
  width: 15px;
  border-radius: 100%;
  display: inline-block;
  z-index: 2;
  cursor: pointer;
  opacity: 0.35;
  margin: 0 2.5px 0 2.5px;
}
.carousel__indicator:hover { opacity: 0.75; }
.carousel__track {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-transition: -webkit-transform 0.5s ease 0s;
  transition: -webkit-transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s, -webkit-transform 0.5s ease 0s;
}
.carousel__track .carousel__slide { display: block; }
.carousel__track .carousel__slide:nth-of-type(1) {
  -webkit-transform: translateX(0%);
  transform: translateX(0%);
}
.carousel__track .carousel__slide:nth-of-type(2) {
  -webkit-transform: translateX(100%);
  transform: translateX(100%);
}
.carousel__track .carousel__slide:nth-of-type(3) {
  -webkit-transform: translateX(200%);
  transform: translateX(200%);
}
.carousel__track .carousel__slide:nth-of-type(4) {
  -webkit-transform: translateX(300%);
  transform: translateX(300%);
}
.carousel__track .carousel__slide:nth-of-type(5) {
  -webkit-transform: translateX(400%);
  transform: translateX(400%);
}
.carousel__slide {
  height: 100%;
  right: 0;
  position: absolute;
  overflow-y: auto;
  top: 0;
  left: 0;
}
.carousel__slide {
  border-radius: 10px;
  overflow: hidden;
}
.carousel__indicator { background-color: #fafafa; }
@-webkit-keyframes 
carousel-show-slide {  from {
 opacity: 0;
}
to { opacity: 1; }
}
@keyframes 
carousel-show-slide {  from {
 opacity: 0;
}
to { opacity: 1; }
}

Add background images to the slides.

.carousel__slide:nth-of-type(1) {
  background-image: url("1.jpg");
  background-size: cover;
  background-position: center;
}
.carousel__slide:nth-of-type(2) {
  background-image: url("2.jpg");
  background-size: cover;
  background-position: center;
}
.carousel__slide:nth-of-type(3) {
  background-image: url("3.jpg");
  background-size: cover;
  background-position: center;
}
.carousel__slide:nth-of-type(4) {
  background-image: url("4.jpg");
  background-size: cover;
  background-position: center;
}
.carousel__slide:nth-of-type(5) {
  background-image: url("5.jpg");
  background-size: cover;
  background-position: center;
}

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