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CSS logo marquee 1. bake the offset into your @keyframes 2. set animation-delay based on duration + item count @keyframes show { 0%, 73% { translate: -10px 30px; } 76%, 97% { translate: 0 0; } 100% { translate: 10px -30px; } } no need for JavaScript 🤙

jhey ʕ•ᴥ•ʔ

146,397 subscribers

75,439 views • 1 year ago •via X (Twitter)

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10 Comments

jhey ▲🐻🎈1 year ago

prompted by the logo marquee over on had to have a go at building a configurable one for myself with custom properties 🤓 the one over there doesn't overlap the same but love the aberration effect 👏

eSignatures.com1 year ago

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Sulamita Ivanov1 year ago

It’s like you have an infinite amount of ideas. This is so cool!

jhey ▲🐻🎈1 year ago

this one had been buggin' me then saw a marquee effect elsewhere and thought "that's it, have to build one my way" 😅

Ali Heib1 year ago

Nice trick! Make sure to use transform for better performance. Keep rocking those animations!

jhey ▲🐻🎈1 year ago

you know individual transform properties (translate, rotate, scale) are composited, right? might be worth checkin' this DevTools feature out 🤙

Henry Gillis1 year ago

Thanks for sharing these tips! Really helpful

Jassi Singh1 year ago

Bruhh, I was looking for something like this. Thanks 🫂

The Teleporter1 year ago

Nice

Reuben Tech 👨‍💻1 year ago

Bro u are so good been stocked on ur page

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CSS Tip! 🎠 You can create a responsive infinite marquee animation with container queries and no duplicate items 🤙 li{ animation: slide; } @keyframes slide { to { translate: 0% calc(var(--i) * -100%);}} The trick is animating the items, not the list 😎 More tricks 👇 To get this one working, you need to animate the items and not the list (Watch the video first?). Each item needs to know its row index (--i) in the list and the parent needs to know how many rows are in the list: ul { --count: 12; } li:nth-of-type(1), li:nth-of-type(2) { --i: 0; } li:nth-of-type(3), li:nth-of-type(4) { --i: 1; } Once you have that, translate each item based on its row index in the list li { translate: 0% calc((var(--count) - var(--i)) * 100%); } Now for the animation. The key here is that each row has an animation-delay calculated from its index (--i). That number is offset to make it negative so the animation start is offset ✨ ul { --duration: 10s; } li { --delay: calc((var(--duration) / var(--count)) * (var(--i) - 8)); animation: slide var(--duration) var(--delay) infinite linear; } Make sure to wrap that animation in: @media (prefers-reduced-motion: no-preference) { ... } Lastly, the fun parts! 🤓 To create the "vignette" mask. Use a layered mask on the container 😷 .scene { --buff: 3rem; height: 100%; width: 100%; mask: linear-gradient(transparent, white var(--buff) calc(100% - var(--buff)), transparent), linear-gradient(90deg, transparent, white var(--buff) calc(100% - var(--buff)), transparent); mask-composite: intersect; } To create the 3D skewed effect, use a chained transform (Try toggling it in the demo ⚡️): .grid { transform: rotateX(20deg) rotateZ(-20deg) skewX(20deg); } As for the responsive part, use container queries! 🔥 article { container-type: inline-size; } When the article (card) is narrower than 400px update the grid and animation settings 🤙 Double the rows means double the duration! @container (width < 400px) { .grid { --count: 12; grid-template-columns: 1fr; } li:nth-of-type(1) { --i: 0; } li:nth-of-type(2) { --i: 1; } li:nth-of-type(3) { --i: 2; } li:nth-of-type(4) { --i: 3; } li { --duration: 20s; } } CSS has the magic to be able to update those animations at runtime based on your custom property values 😎 An added bonus in this demo is that it doesn't require any JavaScript at all, for any of it 🤯 We can use CSS :has() for those toggles that update the styles, even the theme toggle! 🫶 Any questions, let me know! Make sure to check out the video. Will do a walkthrough one to follow-up 🤙 CodePen.IO link below! 👇

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542,757 views • 2 years ago