How to use CSS to create a seamless scrolling image carousel effect

How to use CSS to create a seamless scrolling image carousel effect

With the development of the Internet and people’s pursuit of aesthetics, image carousels have become a part of web design One of the most common elements. The seamless scrolling image carousel effect can attract users' attention and increase the interactivity and visual effect of the page. In this article, we will introduce how to use CSS to achieve a seamless scrolling image carousel effect, and provide specific code examples.

First, we need to prepare some basic HTML structures. We can use a container containing multiple images and arrange them horizontally using CSS. For example:

<div class="slider">
  <img  src="/static/imghw/default1.png"  data-src="image1.jpg"  class="lazy" alt="How to use CSS to create a seamless scrolling image carousel effect" >
  <img  src="/static/imghw/default1.png"  data-src="image2.jpg"  class="lazy" alt="How to use CSS to create a seamless scrolling image carousel effect" >
  <img  src="/static/imghw/default1.png"  data-src="image3.jpg"  class="lazy" alt="How to use CSS to create a seamless scrolling image carousel effect" >
</div>

Next, we need to use CSS to style the container and achieve seamless scrolling. We can use the display: flex attribute to arrange the images in a row, and use the overflow: hidden attribute to hide the parts outside the container. For example:

.slider {
  display: flex;
  overflow: hidden;
}

Then, we can realize the scrolling of the image by using CSS animation and transition effects. We can define a @keyframes rule and use the transform attribute to control the position of the image. For example:

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

.slider img {
  animation: slide 10s infinite;
}

In the above code, translateX(-100%) offsets the image 100% to the left to achieve the scrolling effect of the image. 10s indicates that the duration of the animation is 10 seconds, and infinite indicates the loop playback of the animation.

Next, in order to achieve seamless scrolling, we need to copy the last image and place it at the beginning of the container. We can achieve this effect by using the ::before pseudo-element. For example:

.slider::before {
  content: "";
  flex-shrink: 0;
  width: 100%;
  background-image: url(image3.jpg);
  animation: slide 10s infinite;
}

In the above code, we use content: "" to create an empty pseudo-element and set its background image using the background-image attribute for the last picture. By setting flex-shrink: 0 and width: 100%, we can treat the pseudo-element as part of the container and make it have the same width as the other images.

Finally, we can also add some CSS styles to beautify the carousel effect. For example, we can use the hover pseudo-class to pause the animation and use the cursor: pointer attribute to add a hand cursor to the container. For example:

.slider:hover img {
  animation-play-state: paused;
}

.slider {
  cursor: pointer;
}

With the above code, when the user hovers the mouse over the carousel container, the animation will pause and the mouse pointer will change to a hand cursor, reminding the user that they can click to interact.

To sum up, we can use CSS to achieve a seamless scrolling image carousel effect. Arrange the images in a row by using the display: flex property, and hide the parts outside the container using the overflow: hidden property. We can then control the scrolling of the image by using the @keyframes rules and the transform attribute. Additionally, we can achieve seamless scrolling by copying the last image and placing it at the beginning of the container via the ::before pseudo-element. Finally, we can use other CSS styles to beautify the carousel effect and improve user experience.

I hope the above content is helpful to you and can help you achieve an elegant seamless scrolling image carousel effect. If you have any questions, please feel free to ask me.

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