Background Image Slider With Caption Bar Using Pure CSS

A CSS only responsive slider (carousel) component that infinitely slides through background images by altering the images’ background-position using CSS animations.

How to use it:

1. Add your slides together with the descriptions displayed in the caption bar to the slider container.

<div class="slider">
  <div class="slide slide1">
    <div class="caption">
      <h2>Slide 1</h2>
      <p>Description 1</p>
    </div>
  </div>
  <div class="slide slide2">
    <div class="caption">
      <h2>Slide 1</h2>
      <p>Description 1</p>
    </div>
  </div>
  <div class="slide slide3">
    <div class="caption">
      <h2>Slide 31</h2>
      <p>Description 3</p>
    </div>
  </div>
  <div class="slide slide4">
    <div class="caption">
      <h2>Slide 4</h2>
      <p>Description 4</p>
    </div>
  </div>
  <div class="slide slide1">
    <div class="caption">
      <h2>Slide 1</h2>
      <p>Description 1</p>
    </div>
  </div>
</div>

2. The basic styles for the slider.

.slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 500%;
  height: 100%;
  animation: animate 10s linear infinite;
}
.slider .slide {
  position: relative;
  width: 20%;
  height: 100%;
  float: left;
}
.slider .slide .caption {
  position: absolute;
  bottom: 60px;
  left: 60px;
  right: 60px;
  padding: 30px;
  background: rgba(0, 0, 0, .5);
  box-sizing: border-box;
  transition: 0.5s;
}
.slider .slide .caption h2 {
  margin: 0 0 20;
  padding: 0;
  color: #fff;
  font-size: 48px;
  transition: 0.5s;
}
.slider .slide .caption p {
  margin: 0;
  padding: 0;
  color: #fff;
  font-size: 20px;
  transition: 0.5s;
}
@media (max-width: 768px) {
  .slider .slide .caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    padding: 20px;
  }
  .slider .slide .caption h2 {
    margin: 0 0 10;
    font-size: 30px;
  }
  .slider .slide .caption p {
    font-size: 16px;
  }
}

3. The CSS3 animations for the slide transitions between background images.

@keyframes animate {
  0% {
      left: 0;
  }
  20% {
      left: 0;
  }
  25% {
      left: -100%;
  }
  45% {
      left: -100%;
  }
  50% {
      left: -200%;
  }
  70% {
      left: -200%;
  }
  75% {
      left: -300%;
  }
  95% {
      left: -300%;
  }
  100% {
      left: -400%;
  }
}

4. Add your own background images to the slides.

.container .slider .slide.slide1 {
  background: url(1.jpg);
  background-size: cover;
  background-position: center;
}
.container .slider .slide.slide2 {
  background: url(2.jpg);
  background-size: cover;
  background-position: center;
}
.container .slider .slide.slide3 {
  background: url(3.jpg);
  background-size: cover;
  background-position: center;
}
.container .slider .slide.slide4 {
  background: url(4.jpg);
  background-size: cover;
  background-position: center;
}