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You might be thinking “CSS is used for styling while JavaScript is used for interactivity, that’s just the way the web works.”
But CSS loads on a webpage faster than JavaScript. And CSS also causes less reflow on a page (which improves performance). So, it’s fair to say we should use CSS for interactivity wherever possible.
Our easy CSS slider
Let’s take a look at the slider (CSS carousel) we’ll be building today. Scroll through to see the scroll-snap effect:
While we'll be using mostly CSS language for the carousel, we first need to set the layout applying HTML.
1. Layout with HTML
The layout of our easy slider is simple. We’ll create a carousel-container div to hold the carousel-slide elements.
1
<div class="carousel-container">
<div class="carousel-slide">1</div>
That’s all we need so let’s move on to the styling of our carousel in HTML and CSS.
2. CSS Carousel behaviour
Once we have our carousel slides set up, we’ll style the CSS slider to have the following features:
Scrollable content
Snap to next slide
Progress bar indicating slide progress
Scrollable content
For the scrollable content, we’ll use the display:flex and overflow-x: auto properties. We’ll also style slides so we can see 3 slides on the desktop screen and 1 slide on mobile.
Snap to slide
Next, to achieve the snapping effect on the slides, we’ll use the CSS scroll-snap properties.
The scroll snap properties allow us define “snapping” points on an element. These are the points of the element that we want to be fully visible once scrolling.
But CSS loads on a webpage faster than JavaScript. And CSS also causes less reflow on a page (which improves performance). So, it’s fair to say we should use CSS for interactivity wherever possible.
Our easy CSS slider
Let’s take a look at the slider (CSS carousel) we’ll be building today. Scroll through to see the scroll-snap effect:
While we'll be using mostly CSS language for the carousel, we first need to set the layout applying HTML.
1. Layout with HTML
The layout of our easy slider is simple. We’ll create a carousel-container div to hold the carousel-slide elements.
1
<div class="carousel-container">
<div class="carousel-slide">1</div>
That’s all we need so let’s move on to the styling of our carousel in HTML and CSS.
2. CSS Carousel behaviour
Once we have our carousel slides set up, we’ll style the CSS slider to have the following features:
Scrollable content
Snap to next slide
Progress bar indicating slide progress
Scrollable content
For the scrollable content, we’ll use the display:flex and overflow-x: auto properties. We’ll also style slides so we can see 3 slides on the desktop screen and 1 slide on mobile.
Snap to slide
Next, to achieve the snapping effect on the slides, we’ll use the CSS scroll-snap properties.
The scroll snap properties allow us define “snapping” points on an element. These are the points of the element that we want to be fully visible once scrolling.
