CSS-enhanced automatic scrolling

On my WordPress website, there is a project slider that consists of images with text. Currently, the slider does not auto-scroll and requires manual navigation using buttons.

If I want to eliminate the need for buttons and make the slider scroll automatically without using JavaScript, can CSS alone achieve this? If so, how?

If CSS alone cannot achieve this, what is the simplest alternative solution to accomplish automatic scrolling on the slider?

You can view my working site at

Answer №1

1.) CSS or pure HTML cannot be used to initiate DOM actions. A manipulating language like JavaScript is always required for this purpose.

2.) To remove the buttons, you can override the current CSS and adjust the visibility or display properties to render them invisible or hidden (placeholding).

In order to trigger dynamic hiding and enable automatic sliding with intervals, JavaScript is essential.

Edit:

An example of animating the slider using CSS:

#container {
  height: 200px;
  width: 800px;
  border: 1px solid #333;
  overflow: hidden;
  margin: 25px auto;
}

#box {
  background: orange;
  height: 180px;
  width: 400px;
  margin: 10px -400px;
  -webkit-animation-name: move;
  -webkit-animation-duration: 4s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-direction: right;
  -webkit-animation-timing-function: linear;
}

#box:hover {
  -webkit-animation-play-state: paused;
}

@-webkit-keyframes move {
  0% {
    margin-left: -400px;
  }
  100% {
    margin-left: 800px;
  }
}
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8>
  <title>HTML</title>
  <link rel="stylesheet" href="main2.css" type="text/css" />
</head>

<body>
  <div id="container">
    <div id="box">as</div>
  </div>
</body>

</html>

Result

This snippet demonstrates the WebKit-only version. The equivalents for other browsers are as follows:

The keyframes for different browsers:

@-moz-keyframes move {
@-o-keyframes move {
@keyframes move {

For #box, one property shown as an example:

-moz-animation-name: move;
-o-animation-name: move;
animation-name: move;

Answer №2

Check out this demonstration (Fiddle) showcasing the use of animations. You can implement a similar effect on your .post-list:

.post-list {
    animation: slide infinite 3s alternate;
}

@keyframes slide {
  0% {
    margin-left: 0px;
  }
  50% {
    margin-left: -100px;
  }
  100% {
    margin-left: -200px;
  }
}

If you want to pause the animation when hovering over it, add this:

.post-list:hover {
    animation-play-state: paused;
}

Remember to include the necessary vendor prefixes (such as -webkit-...) as mentioned in Allendars' response.

Feel free to experiment and customize this code according to your needs. This is just a starting point to give you an idea of how it could be implemented.

Answer №3

Let's explore an illustration of auto-scroll functionality with examples for both limited and unlimited element width:

// Implement this JavaScript to enable auto-scroll when the element width is unlimited and you desire a constant speed. Otherwise, this code is unnecessary
var elemWidth = document.getElementById('scroll-element').offsetWidth;
var time = elemWidth/80; /* 80 represents scrolling speed (44px/s) */
document.getElementById('scroll-element').style.cssText = "animation: scroll "+time+"s linear infinite;"
.scroll-box{
    white-space: nowrap;
    font-size: 1.1em;
    overflow: hidden;
    padding: 20px 0;
    background-color: green;
}
.scroll-container{
  width: fit-content;
  direction: rtl; /*set dir to ltr if you prefer left to right scrolling */
}
#scroll-element{
  background-color: yellow;
  padding: 10px;
}

@-webkit-keyframes scroll{
  0% {
    margin-right: 0%; /*set margin-left for left to right scrolling*/
    
  }
  100%{
    margin-right: 100%;/*set margin-left for left to right scrolling*/
  }
}
<!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="utf-8">
    <title>HTML</title>
    <link rel="stylesheet" href="main2.css" type="text/css" />
    </head>
    <body>
      <div class="scroll-box">
       <div class="scroll-container">
        <span id="scroll-element">
          Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation
        </span>
       </div>
      </div>
    </body>
    </html>

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