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classic CSS trick for gradient border with blurred backdrop 👉 pseudoelement + mask-composite check the exploded view video 👇

jhey ʕ•ᴥ•ʔ

145,764 subscribers

28,641 views • 11 months ago •via X (Twitter)

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7 Comments

Jamie Street11 months ago

Do you share the code for these anywhere btw?

Mobile Scanner11 months ago

Scan any documents, convert images into text, PDF files, etc. 👍

•UtilityCo11 months ago

Sleek demo. mask-composite can get temperamental across engines—any perf quirks when the blur animates? We’re testing token-driven style sheets for on-chain dashboards and tricks like yours keep the UX crisp without extra bytes.

jhey ʕ•ᴥ•ʔ11 months ago

it's been fine across engines for me ✅

Noah11 months ago

Love the effect! Looks amazing

Patrick G. 🏴11 months ago

sick! was just watching @KevinJPowell break this down the other day love your demo, as always haha

Matt11 months ago

How does this fair in safari @jh3yy ? Pseudo masks with blurs sometimes don’t play ball 😔

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dissolving text input with SVG noise + CSS filter, displace + mask duplicate layer whilst clipping the original 🤙 check the exploded view 👇

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jhey ʕ•ᴥ•ʔ

43,591 views • 1 year ago

CSS Trick! 🤙 You can create gradient borders on translucent elements using mask-clip and mask-composite with a pseudo-element 🔥 .gradient-border::after { mask-clip: padding-box, border-box; mask-composite: intersect; mask: linear-gradient(transparent, transparent), linear-gradient(white, white); } It's the same "Transparent border trick" from before. But, now you apply it to a pseudo-element 😎 The trick is to create a pseudo-element with a gradient background and then mask it so we only see the part we want, the border ✨ mask-clip defines the area affected by a mask. Similar to how you can define background-size. Using padding-box and border-box constrains the two masks. mask-composite is the magic part ✨ It defines a compositing operation for stacked mask layers. Using intersect means that the parts that overlap get replaced. And this seems to work in all browsers 🙌 As for the rest of the styles... – Make sure you set pointer-events: none on the pseudo-element – Make sure it fills the parent element. You can use position: absolute and inset: 0 – Make sure the background fills the space including the border-width. You can use calc to achieve that: --bg-size: calc(100% + (2px * var(--border))); background: var(--gradient) center center / var(--bg-size) var(--bg-size); That's it! 🚀 Gradient borders on translucent elements. You can set all the backdrop-filter: blur() you like! 😅 CodePen.IO link below! 👇

CSS Trick! 🤙 You can create gradient borders on translucent elements using mask-clip and mask-composite with a pseudo-element 🔥 .gradient-border::after { mask-clip: padding-box, border-box; mask-composite: intersect; mask: linear-gradient(transparent, transparent), linear-gradient(white, white); } It's the same "Transparent border trick" from before. But, now you apply it to a pseudo-element 😎 The trick is to create a pseudo-element with a gradient background and then mask it so we only see the part we want, the border ✨ mask-clip defines the area affected by a mask. Similar to how you can define background-size. Using padding-box and border-box constrains the two masks. mask-composite is the magic part ✨ It defines a compositing operation for stacked mask layers. Using intersect means that the parts that overlap get replaced. And this seems to work in all browsers 🙌 As for the rest of the styles... – Make sure you set pointer-events: none on the pseudo-element – Make sure it fills the parent element. You can use position: absolute and inset: 0 – Make sure the background fills the space including the border-width. You can use calc to achieve that: --bg-size: calc(100% + (2px * var(--border))); background: var(--gradient) center center / var(--bg-size) var(--bg-size); That's it! 🚀 Gradient borders on translucent elements. You can set all the backdrop-filter: blur() you like! 😅 CodePen.IO link below! 👇

jhey ʕ•ᴥ•ʔ

269,739 views • 2 years ago

CSS Trick! ⭐️ You can create this sparkly backdrop with a single element using mask-composite whilst animating the mask-position 😷 .canvas { background: var(--gradient); mask: var(--dots), var(--noise); mask-composite: intersect /* source-in, xor */; animation: flicker; } @keyframes flicker { to { mask-position: 50% 50% , 0 50%; } } The trick is to layer the masks and then use the intersect value on the mask-composite ✨ Intersect works as it would in SVG by combining the masks and taking their intersection. The dots mask is a basic radial-gradient that is repeated across the element: mask: radial-gradient(circle at 50% 50%, white 2px, transparent 2.5px) 50% 50% / 40px 40px; The noise mask is a generated image of Perlin Noise (h/t to JohnPhamous for finding the site for that). That becomes the second mask: mask: url("noise.png") 50% 50% / 256px 256px; Once they are intersected. The last piece is to animate the mask-position as shown above 👆 Have a play with the demo and see what you think! CodePen.IO link below! 👇

CSS Trick! ⭐️ You can create this sparkly backdrop with a single element using mask-composite whilst animating the mask-position 😷 .canvas { background: var(--gradient); mask: var(--dots), var(--noise); mask-composite: intersect /* source-in, xor */; animation: flicker; } @keyframes flicker { to { mask-position: 50% 50% , 0 50%; } } The trick is to layer the masks and then use the intersect value on the mask-composite ✨ Intersect works as it would in SVG by combining the masks and taking their intersection. The dots mask is a basic radial-gradient that is repeated across the element: mask: radial-gradient(circle at 50% 50%, white 2px, transparent 2.5px) 50% 50% / 40px 40px; The noise mask is a generated image of Perlin Noise (h/t to JohnPhamous for finding the site for that). That becomes the second mask: mask: url("noise.png") 50% 50% / 256px 256px; Once they are intersected. The last piece is to animate the mask-position as shown above 👆 Have a play with the demo and see what you think! CodePen.IO link below! 👇

jhey ʕ•ᴥ•ʔ

279,699 views • 2 years ago

CSS placeholder shimmer ✨ - overlay a placeholder element – show when :placeholder-shown – use mask for the border – background-clip for the text - animate the gradient position love playin' with these 🧑‍🍳

CSS placeholder shimmer ✨ - overlay a placeholder element – show when :placeholder-shown – use mask for the border – background-clip for the text - animate the gradient position love playin' with these 🧑‍🍳

jhey ʕ•ᴥ•ʔ

46,356 views • 1 year ago

$CSS Tip! 🤙 You can use mask-composite and some JavaScript to create this pointer proximity following glow border ✨ .glow { mask-composite: intersect; mask-clip: padding-box, border-box; mask: linear-gradient(#0000, #0000), conic-gradient(#0000 0deg, #fff, #0000 45deg); } The trick is to mask a background-image with a combination of mask layers. mask-composite: intersect; means the mask used will be the intersection of the layers 🔥 use source-in, xor; in browsers that don't support intersect; In this demo, you can use pseudoelements and rely on scoped custom properties to do a lot of the heavy lifting for you 🙌 Once you've masked the background, you need to update the starting angle of the conic-gradient on pointermove 👆 You can work that out by getting the center point of each card and then calculating the angle between that and the pointer with Math.atan2 🤓 let ANGLE = Math.atan2( event?.y - CARD_CENTER[1], event?.x - CARD_CENTER[0] ) * 180 / Math.PI ANGLE = ANGLE < 0 ? ANGLE + 360 : ANGLE; CARD.style.setProperty('--start', ANGLE + 90) You plug that into your conic-gradient mask as a custom property accounting for --spread ⚡️ conic-gradient(from calc((var(--angle) - (var(--spread) * 0.5)) * 1deg), #000 0deg, #fff, #0000 calc(var(--spread) * 1deg)); To get the blur, you apply a blur to the glow container on each card 🤙 .glows { filter: blur(calc(var(--blur) * 1px); } That's it! Layers of masks that are clipped and composited before being blurred 😎 The added trick is to fade each one in when the pointer is in the defined proximity of the card. For example, don't show unless within 100px of a card. You can see that in the video. Check out the JavaScript code for that 🫶 Couldn't resist making this one 😁 CodePen.IO link below! 👇$

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jhey ʕ•ᴥ•ʔ

1,179,466 views • 2 years ago

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jhey ʕ•ᴥ•ʔ

122,373 views • 1 year ago

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Wes Bos

188,112 views • 3 years ago

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CSS Tip! ✨ It's 2024 and you have a new way to make animated borders 🚀 .glow::after { offset-path: rect(0 100% 100% 0 round var(--radius)); animation: loop; } @keyframes loop { to { offset-distance: 100%; }} Using the offset-* properties you can animate elements along the perimeter of others 😍 The rect() value gained support in Safari 17.2 🙌 To start, you create an element and put it inside your main element. For example, you put a span inside the button 🤙 Click me! Make the element fill its parent with absolute positioning and inset [data-glow] { position: absolute; inset: 0; } Now the good part, you use a pseudoelement on that element and define an offset-path [data-glow]::after { content: ""; offset-path: rect(0 auto auto 0 round var(--radius)); animation: loop 2.6s infinite linear; } With the rect value, you are saying the path fills the parent container: top: 0 right: auto || 100% bottom: auto || 100% left: 0 Then you can use round to make sure the path uses the same radius as whatever the parent has The @keyframes animation merely animates the offset-distance of that pseudoelement to 100% @keyframes loop { to { offset-distance: 100%; }} You can see this more clearly in the video 🫶 The offset-* properties also include an offset-anchor property. This allows you to dictate which point of the element follows the path. For example: anchor-offset: 100% 50%; This means that the "right, center" of the element will follow the perimeter of the parent element 🤙 Lastly, the visuals 🎨 For color, you can use a gradient such as a linear gradient to fill the pseudo-element. [data-glow]::after { background: radial-gradient( circle at right, hsl(320 90% 100%), transparent 50% ); } Then clip away everything so you only have the border and can still have translucent backgrounds, etc. Use a mask with mask-composite ✨ A little transparent border trick: [data-glow] { border: 2px solid transparent; mask: linear-gradient(transparent, transparent), linear-gradient(white, white); mask-clip: padding-box, border-box; mask-composite: intersect; } Bit of a long one. Hope you find it useful 🙏 CodePen.IO link below 👇

jhey ʕ•ᴥ•ʔ

283,490 views • 2 years ago

CSS placeholder shimmer effect ✨ – overlay a placeholder element – set aria-hidden and pointer-events: none – show when :placeholder-shown – visually hide actual :placeholder – use mask for the border – background-clip for the text 🤙 Check the debug 👇🎬

CSS placeholder shimmer effect ✨ – overlay a placeholder element – set aria-hidden and pointer-events: none – show when :placeholder-shown – visually hide actual :placeholder – use mask for the border – background-clip for the text 🤙 Check the debug 👇🎬

jhey ʕ•ᴥ•ʔ

152,605 views • 1 year ago

Neat trick here is how you "split" the CTA ✨ Pseudoelements in CSS will pick up pointer events 👀 When the Nav is collapsed, scale up a pseudoelement on the CTA so it's like the CTA takes up all the space 😎 Check out the purple highlighted pseudo 👇

Neat trick here is how you "split" the CTA ✨ Pseudoelements in CSS will pick up pointer events 👀 When the Nav is collapsed, scale up a pseudoelement on the CTA so it's like the CTA takes up all the space 😎 Check out the purple highlighted pseudo 👇

jhey ʕ•ᴥ•ʔ

77,094 views • 2 years ago

Scroll masking with CSS scroll animation as a progressive enhancement ⭐️ .scroller { animation: mask-up; animation-timeline: scroll(self); animation-range: 0 1rem; mask-composite: exclude; } @keyframes mask-up { to { mask-size: 100% 120px, 100% 100%; } }

Scroll masking with CSS scroll animation as a progressive enhancement ⭐️ .scroller { animation: mask-up; animation-timeline: scroll(self); animation-range: 0 1rem; mask-composite: exclude; } @keyframes mask-up { to { mask-size: 100% 120px, 100% 100%; } }

jhey ʕ•ᴥ•ʔ

584,723 views • 2 years ago

CSS Trick! 🎃 You can create a wavey border for elements by layering masks 🎭 Used to create this ghost! 👻 Check the video for an exploding view 🫶 .👻 { --size: 20px; mask: radial-gradient(var(--size) at bottom, transparent 97%, #000), radial-gradient(var(--size) at 25% 50%, #000 97%, transparent); mask-repeat: repeat-x; mask-size: calc(2 * var(--size)) 100%, calc(4 * var(--size)) calc(2 * var(--size)); mask-position: 50% calc(100% - var(--size)), calc(50% - var(--size)) 99%; } That code looks kinda scary! 👻 This is one way you could do things. Check the video again or explode in the demo. One mask cuts out circles from the bottom of the element. The other adds overlaid circles back. And that overlap creates the wavey line you want for the ghost 🤙 Using a custom property you can write once and not have to touch again. Update the custom property to update the wave size as shown in the video 🎬 The last piece of the puzzle is animating the mask-position to create that animation @ keyframes flow { to { mask-position: calc(50% + (var(--size) * 4)) calc(100% - var(--size)), calc((50% - var(--size)) + (var(--size) * 4)) 99%; } } If you play with the demo, you may find some Easter eggs! Shake the ghost and double-tap it 😉 Happy Halloween! 🎃 CodePen.IO link below! 👇

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jhey ʕ•ᴥ•ʔ

181,442 views • 2 years ago

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258,625 views • 2 years ago

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13,338 views • 19 days ago

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149,809 views • 2 years ago

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