[CSS] Infinite autoplay carousel

css-infinite-autoplay-carousel.markdown

[CSS] Infinite autoplay carousel

Useful for startup landing pages where you need to display brand partners and other cool logos or whatever.

Enjoy. :)

A Pen by Jack Oliver on CodePen.

License.

index.html

<div class="slider">
	<div class="slide-track">
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/1.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/2.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/3.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/4.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/5.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/6.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/7.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/1.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/2.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/3.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/4.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/5.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/6.png" height="100" width="250" alt="" />
		</div>
		<div class="slide">
			<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/557257/7.png" height="100" width="250" alt="" />
		</div>
	</div>
</div>

style.scss

body {
	align-items: center;
	background: #E3E3E3;
	display: flex;
	height: 100vh;
	justify-content: center;
}

@mixin white-gradient {
	background: linear-gradient(to right,  rgba(255,255,255,1) 0%,rgba(255,255,255,0) 100%);
}

$animationSpeed: 40s;

// Animation
@keyframes scroll {
	0% { transform: translateX(0); }
	100% { transform: translateX(calc(-250px * 7))}
}


// Styling
.slider {
	background: white;
	box-shadow: 0 10px 20px -5px rgba(0, 0, 0, .125);
	height: 100px;
	margin: auto;
	overflow:hidden;
	position: relative;
	width: 960px;
	
	&::before,
	&::after {
		@include white-gradient;
		content: "";
		height: 100px;
		position: absolute;
		width: 200px;
		z-index: 2;
	}
	
	&::after {
		right: 0;
		top: 0;
		transform: rotateZ(180deg);
	}

	&::before {
		left: 0;
		top: 0;
	}
	
	.slide-track {
		animation: scroll $animationSpeed linear infinite;
		display: flex;
		width: calc(250px * 14);
	}
	
	.slide {
		height: 100px;
		width: 250px;
	}
}