Most of what separates an interface that feels handcrafted from slop is small. Attention to human perception, cohesive spacing, surfaces that catch light. Almost nobody notices any one of these but I strongly believe that most people feel the sum of a bunch of tiny attentions.
Tailwind ships a strong, generic floor by design, which is fine to get up and running quickly but it's also why if you don't bother customizing it, every interface you make with it feels generic and unoriginal.
Over the last few projects I've written and adapted a set of small, composable utilities that add those details without scattering custom CSS inline. Ten of them are below, in @utility form, ready to paste into your global stylesheet and reuse in your own projects.
Eased Gradients#
First let's talk eased gradients. Let's say you're making a scrim for some overlay on an image. You reach for the obvious black-to-transparent gradient, but the end result feels oddly abrupt and unappealing. It looks like there's a sharp edge near the transparent edge where there should be none and the black part at the start is also somehow way too short.
Nothing's wrong with the gradient itself, it's just yet another quirk of human perception. When your eyes see a colors change at a constant rate and then stop, your brain interprets it as a hard edge rather than a smooth transition it mathematically is. I won't get into the nitty-gritty details of why this is the case, but if you want to read up on the why, you can check out Mach Bands. While the bad news is that our eyes are terrible at their job, the good news is that you can mitigate this pretty easily with a bit of tweaking.
The classic CSS fix is to ease that progression by hand, writing out a long stack of gradient stops along an easing curve. It works, but it's a pain in the ass to write and maintain. Which is why I made a bg-eased-linear utility that mirrors Tailwind's own bg-linear-*: pick a direction (bg-eased-linear-to-t) or an angle (bg-eased-linear-60, or -bg-eased-linear-60), and it composes with the from-* and to-* utilities you already use.
Claude Monet
Experience the revered French impressionist. Coming this July at the Pier Museum.
@theme {
--direction-to-t: to top;
--direction-to-tr: to top right;
--direction-to-r: to right;
--direction-to-br: to bottom right;
--direction-to-b: to bottom;
--direction-to-bl: to bottom left;
--direction-to-l: to left;
--direction-to-tl: to top left;
}
/* Stops are auto-spaced; each interior color is the
from/to mix at smoothstep(t) = t * t * (3 - 2t), sampled at even t. */
@utility eased-linear-fill {
--eg-from: var(--tw-gradient-from, currentColor);
--eg-to: var(--tw-gradient-to, transparent);
background-image: linear-gradient(
var(--eg-angle, to bottom) in oklch,
var(--eg-from),
color-mix(in oklch, var(--eg-from), var(--eg-to) 1.1%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 4.3%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 9.2%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 15.6%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 23.2%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 31.6%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 40.7%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 50%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 59.3%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 68.4%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 76.8%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 84.4%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 90.8%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 95.7%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 98.9%),
var(--eg-to)
);
}
/* Direction keywords (to-t … to-tl) and angles (60, [30deg], -60). */
@utility bg-eased-linear-* {
--eg-angle: --value(--direction-*);
--eg-angle: calc(--value(integer) * 1deg);
--eg-angle: --value([angle]);
@apply eased-linear-fill;
}
@utility -bg-eased-linear-* {
--eg-angle: calc(--value(integer) * -1deg);
--eg-angle: calc(--value([angle]) * -1);
@apply eased-linear-fill;
}Progressive Blur#
Following up on the eased gradients, have you ever noticed the edge blurs in iOS? The content blurs more and more as it moves towards the viewport edge.
We can reproduce this effect in CSS by layering a couple of blur layers one on top of the other. Now this is normally a lot of work to set up, but with a relatively simple Tailwind CSS utility it's a breeze. Here it is in action:
Scroll down to see the progressive blur effect in action.
Ah! what splendid sunsets they beheld during those weekly strolls. The sun accompanied them, as it were, amid the throbbing gaiety of the quays, the river life, the dancing ripples of the currents; amid the attractions of the shops, as warm as conservatories, the flowers sold by the seed merchants, and the noisy cages of the bird fanciers; amid all the din of sound and wealth of colour which ever make a city’s waterside its youthful part. As they proceeded, the ardent blaze of the western sky turned to purple on their left, above the dark line of houses, and the orb of day seemed to wait for them, falling gradually lower, slowly rolling towards the distant roofs when once they had passed the Pont Notre-Dame in front of the widening stream. In no ancient forest, on no mountain road, beyond no grassy plain will there ever be such triumphal sunsets as behind the cupola of the Institute. It is there one sees Paris retiring to rest in all her glory. At each of their walks the aspect of the conflagration changed; fresh furnaces added their glow to the crown of flames. One evening, when a shower had surprised them, the sun, showing behind the downpour, lit up the whole rain cloud, and upon their heads there fell a spray of glowing water, irisated with pink and azure. On the days when the sky was clear, however, the sun, like a fiery ball, descended majestically in an unruffled sapphire lake; for a moment the black cupola of the Institute seemed to cut away part of it and make it look like the waning moon; then the globe assumed a violet tinge and at last became submerged in the lake, which had turned blood-red. Already, in February, the planet described a wider curve, and fell straight into the Seine, which seemed to seethe on the horizon as at the contact of red-hot iron. However, the grander scenes, the vast fairy pictures of space only blazed on cloudy evenings. Then, according to the whim of the wind, there were seas of sulphur splashing against coral reefs; there were palaces and towers, marvels of architecture, piled upon one another, burning and crumbling, and throwing torrents of lava from their many gaps; or else the orb which had disappeared, hidden by a veil of clouds, suddenly transpierced that veil with such a press of light that shafts of sparks shot forth from one horizon to the other, showing as plainly as a volley of golden arrows. And then the twilight fell, and they said good-bye to each other, while their eyes were still full of the final dazzlement. They felt that triumphal Paris was the accomplice of the joy which they could not exhaust, the joy of ever resuming together that walk beside the old stone parapets.
While this effect is pretty simple to set up when you have the utility classs, it has three core quirks to keep in mind:
- The blur layers are actual HTML layers, not just CSS filters. So you can't just apply a
progressive-blur-*to a parent element and expect it to work. You need to apply a key to each blur layer to ensure they stack correctly. - Since the gpu is computing blur on blurs many times over, this effect it can be quite expensive. By default, the effect will render 6 blur layers, which can be quite expensive on a large screen. You can reduce the number of blur layers by adjusting
[--progressive-blur-layers:n]on the container and the corresponding[--blur-layer:n]but I would still suggest keeping the number of progressive blurs you're rendering on a page to a minimum. backdrop-filter: blur()has this nasty tendency to create flickering edges because of the way the browser computes blur so if the effect sits on a uniform background, I strongly suggest adding a scrim to gradually fade out the content on top of blurring it. You can use theprogressive-blur-scrim-*utility classes to quickly add a scrim to your blur effect.
Here's the basic structure you need to set up a progressive blur effect in JSX:
<div className="progressive-blur-md progressive-blur-scrim-background">
{[...Array(6)].map((_, i) => (
<div key={i} className={`[--blur-layer:${i + 1}]`} />
))}
</div>And here's the utility definition:
@utility blur-ramp {
--progressive-blur-layers: 6;
position: relative;
isolation: isolate;
transform: translateZ(0) var(--tw-rotate-x) var(--tw-rotate-y) var(--tw-rotate-z) var(--tw-skew-x) var(--tw-skew-y);
&::after {
content: '';
position: absolute;
inset: 0;
z-index: calc(var(--progressive-blur-layers) + 1);
pointer-events: none;
border-radius: inherit;
background: linear-gradient(
to top,
transparent,
var(--progressive-blur-scrim, transparent)
);
}
& > * {
position: absolute;
inset: 0;
z-index: var(--blur-layer);
pointer-events: none;
backdrop-filter: blur(
calc(var(--progressive-blur-amount, var(--blur-lg)) * pow(2, (var(--blur-layer) - var(--progressive-blur-layers))))
);
mask-image: linear-gradient(
to top,
transparent calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) - 2)),
black calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) - 1)),
black calc(100% / var(--progressive-blur-layers) * var(--blur-layer)),
transparent calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) + 1))
);
}
}
@utility progressive-blur {
@apply blur-ramp;
}
@utility progressive-blur-* {
--progressive-blur-amount: --value(--blur-*);
@apply blur-ramp;
}
@utility progressive-blur-scrim-* {
--progressive-blur-scrim: --value(--color-*);
}Grain Filter#
Sometimes all your design is missing is just a little bit of texture. You really don't need fancy shaders or heavy image assets to remove the unnatural look of perfect gradients. A little random noise can do the trick without needing anything else than plain CSS.
The grain-* Tailwind utility I've created applies a simple feTurbulence filter to create a grainy texture effect. I've also exposed a couple of knobs for you to tweak the filter's behaviour. You can firstly adjust the tile/grain size using grain-xs through grain-lg (or an arbitrary grain-[120px]). You can tweak the opacity to your liking using the grain-opacity-*. You can also change the blend mode using the grain-blend-* utility (Though I've found it's best to stick with the default overlay blend mode). Finally, if you really want to turn it up a notch, i've even exposed a grain-animate that makes the noise flicker since it's cheap and static, so it costs nothing at runtime.
@theme {
--grain-size-xs: 64px;
--grain-size-sm: 128px;
--grain-size-md: 256px;
--grain-size-lg: 512px;
--grain-blend-normal: normal;
--grain-blend-overlay: overlay;
--grain-blend-soft-light: soft-light;
}
@keyframes grain-flicker {
0% { background-position: 0 0; }
25% { background-position: -27px 7px; }
50% { background-position: 21px 29px; }
75% { background-position: 29px 9px; }
}
@utility film-grain {
position: relative;
isolation: isolate;
&::after {
content: '';
position: absolute;
inset: 0;
z-index: 1;
border-radius: inherit; /* clip the tile to the parent's rounded corners */
pointer-events: none;
opacity: var(--grain-opacity, 0.035);
mix-blend-mode: var(--grain-blend, overlay);
animation: var(--grain-animation, none);
background-image: url("data:image/svg+xml,…feTurbulence + feColorMatrix…");
background-size: var(--grain-size, var(--grain-size-md)) var(--grain-size, var(--grain-size-md));
}
}
@utility grain {
@apply film-grain;
}
@utility grain-* {
--grain-size: --value(--grain-size-*, [length]);
--grain-blend: --value(--grain-blend-*);
@apply film-grain;
}
@utility grain-opacity-* {
--grain-opacity: calc(--value(number) * 1%);
--grain-opacity: --value([percentage]);
}
@utility grain-animate {
@media (prefers-reduced-motion: no-preference) {
--grain-animation: grain-flicker 0.3s steps(1) infinite;
}
}Glossy Buttons#
It reuses conventions you already know. Tint and strength are a colour and an opacity, glossy-sky-300/30 for a cool reflection, bare glossy for white at 35%. How far the highlight reaches down the face is a number, glossy-40 covers 40% of the height, and the negative anchors it to the bottom edge instead, -glossy-40, for light bouncing up off whatever sits below. I left out arbitrary angles on purpose: a highlight raking in from the side reads as wrong before you can say why.
@utility glossy {
position: relative;
isolation: isolate;
&::before {
content: '';
position: absolute;
inset: 0;
z-index: -1;
border-radius: inherit;
background: radial-gradient(
120% var(--glossy-h, 55%) at 50% var(--glossy-y, 0%),
var(--glossy-color, rgb(255 255 255 / 0.35)),
transparent 55%
);
pointer-events: none;
}
}
/* glossy-<n> = reach; glossy-<color>/<opacity> = tint + strength */
@utility glossy-* {
--glossy-color: --value(--color-*);
--glossy-color: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
--glossy-h: calc(--value(number) * 1%);
--glossy-h: --value([percentage], [length]);
}
/* -glossy-<n> = same reach, anchored at the bottom */
@utility -glossy-* {
--glossy-h: calc(--value(number) * 1%);
--glossy-h: --value([percentage], [length]);
--glossy-y: 100%;
}Fade Clipping Mask#
/* --fade-s/--fade-e hold the start/end reach so the smoothstep stops below
read cleanly; the alpha values are the same curve as the eased gradient. */
@utility fade-y {
--fade-s: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-start, var(--fade, 1.5rem)));
--fade-e: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-end, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to bottom,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-s) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-s) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-s) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-s) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-s) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-s) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-s) * 0.875),
#000 var(--fade-s),
#000 calc(100% - var(--fade-e)),
rgb(0 0 0 / 0.957) calc(100% - var(--fade-e) * 0.875),
rgb(0 0 0 / 0.844) calc(100% - var(--fade-e) * 0.75),
rgb(0 0 0 / 0.684) calc(100% - var(--fade-e) * 0.625),
rgb(0 0 0 / 0.5) calc(100% - var(--fade-e) * 0.5),
rgb(0 0 0 / 0.316) calc(100% - var(--fade-e) * 0.375),
rgb(0 0 0 / 0.156) calc(100% - var(--fade-e) * 0.25),
rgb(0 0 0 / 0.043) calc(100% - var(--fade-e) * 0.125),
rgb(0 0 0 / 0)
);
mask-repeat: no-repeat;
}
/* fade-t/b drop one side; fade-x/l/r switch to the overflow-x variables */
@utility fade-* {
--fade: calc(--value(number) * var(--spacing));
--fade: --value([length]);
}Surface Patterns#
@utility pattern-dots {
background-image: radial-gradient(currentColor 1px, transparent 1px);
background-size: var(--pattern, 16px) var(--pattern, 16px);
}
@utility pattern-grid {
background-image:
linear-gradient(to right, currentColor 1px, transparent 1px),
linear-gradient(to bottom, currentColor 1px, transparent 1px);
background-size: var(--pattern, 16px) var(--pattern, 16px);
}
@utility pattern-* {
--pattern: calc(--value(number) * var(--spacing));
--pattern: --value([length]);
}Shimmer Animation#
@keyframes shimmer {
from { background-position: -150% 0; }
to { background-position: 250% 0; }
}
@utility shimmer {
--shimmer-c: var(--shimmer, rgb(255 255 255 / 0.5));
background-image: linear-gradient(
90deg,
transparent,
color-mix(in oklch, var(--shimmer-c) 4.3%, transparent) 6.25%,
color-mix(in oklch, var(--shimmer-c) 15.6%, transparent) 12.5%,
color-mix(in oklch, var(--shimmer-c) 31.6%, transparent) 18.75%,
color-mix(in oklch, var(--shimmer-c) 50%, transparent) 25%,
color-mix(in oklch, var(--shimmer-c) 68.4%, transparent) 31.25%,
color-mix(in oklch, var(--shimmer-c) 84.4%, transparent) 37.5%,
color-mix(in oklch, var(--shimmer-c) 95.7%, transparent) 43.75%,
var(--shimmer-c) 50%,
color-mix(in oklch, var(--shimmer-c) 95.7%, transparent) 56.25%,
color-mix(in oklch, var(--shimmer-c) 84.4%, transparent) 62.5%,
color-mix(in oklch, var(--shimmer-c) 68.4%, transparent) 68.75%,
color-mix(in oklch, var(--shimmer-c) 50%, transparent) 75%,
color-mix(in oklch, var(--shimmer-c) 31.6%, transparent) 81.25%,
color-mix(in oklch, var(--shimmer-c) 15.6%, transparent) 87.5%,
color-mix(in oklch, var(--shimmer-c) 4.3%, transparent) 93.75%,
transparent
);
background-size: 200% 100%;
background-repeat: no-repeat;
@media (prefers-reduced-motion: no-preference) {
animation: shimmer var(--shimmer-duration, 1.5s) linear infinite;
}
}
@utility shimmer-* {
--shimmer: --value(--color-*);
--shimmer: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}Animated Border Highlight#
@property --shimmer-border-angle {
syntax: '<angle>';
inherits: false;
initial-value: 0deg;
}
@keyframes shimmer-border-spin {
to { --shimmer-border-angle: 360deg; }
}
@utility shimmer-border {
position: relative;
isolation: isolate;
&::after {
content: '';
position: absolute;
inset: 0;
z-index: -1;
border-radius: inherit;
padding: var(--shimmer-border-width, 1.5px);
background: conic-gradient(
from var(--shimmer-border-angle),
var(--shimmer-border-lo, transparent),
var(--shimmer-border-hi, currentColor),
var(--shimmer-border-lo, transparent) 25%
);
/* paint the whole box, subtract the content box: only the ring survives */
mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
mask-composite: exclude;
pointer-events: none;
@media (prefers-reduced-motion: no-preference) {
animation: shimmer-border-spin var(--shimmer-border-duration, 3s) linear infinite;
}
}
}
/* shimmer-border-<n> = ring width; bare colour = the beam peak (hi) */
@utility shimmer-border-* {
--shimmer-border-width: calc(--value(number) * 1px);
--shimmer-border-width: --value([length]);
--shimmer-border-hi: --value(--color-*);
--shimmer-border-hi: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@utility shimmer-border-hi-* {
--shimmer-border-hi: --value(--color-*);
--shimmer-border-hi: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@utility shimmer-border-lo-* {
--shimmer-border-lo: --value(--color-*);
--shimmer-border-lo: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
/* lap time in ms, like Tailwind's duration-* */
@utility shimmer-border-duration-* {
--shimmer-border-duration: calc(--value(number) * 1ms);
--shimmer-border-duration: --value([*]);
}Squircle Corners#
@utility squircle {
corner-shape: superellipse(var(--squircle, 2));
}
/* strength = superellipse exponent: squircle-1 round … squircle-2 full */
@utility squircle-* {
--squircle: --value(number, [number]);
corner-shape: superellipse(var(--squircle));
}Animated SVG Paths#
@keyframes draw-path {
to { stroke-dashoffset: 0; }
}
@utility draw-path {
& path {
@media (prefers-reduced-motion: no-preference) {
stroke-dasharray: var(--draw-length, 1);
stroke-dashoffset: var(--draw-length, 1);
animation: draw-path var(--draw-duration, 1s) var(--draw-ease, ease) forwards;
}
}
}The Whole Set#
Want the whole set of utilities? Copy and paste the following block into your own stylesheet.
@theme {
--direction-to-t: to top;
--direction-to-tr: to top right;
--direction-to-r: to right;
--direction-to-br: to bottom right;
--direction-to-b: to bottom;
--direction-to-bl: to bottom left;
--direction-to-l: to left;
--direction-to-tl: to top left;
--grain-size-xs: 64px;
--grain-size-sm: 128px;
--grain-size-md: 256px;
--grain-size-lg: 512px;
--grain-blend-normal: normal;
--grain-blend-overlay: overlay;
--grain-blend-soft-light: soft-light;
}
@keyframes grain-flicker {
0% { background-position: 0 0; }
25% { background-position: -27px 7px; }
50% { background-position: 21px 29px; }
75% { background-position: 29px 9px; }
}
@utility eased-linear-fill {
--eg-from: var(--tw-gradient-from, currentColor);
--eg-to: var(--tw-gradient-to, transparent);
background-image: linear-gradient(
var(--eg-angle, to bottom) in oklch,
var(--eg-from),
color-mix(in oklch, var(--eg-from), var(--eg-to) 1.1%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 4.3%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 9.2%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 15.6%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 23.2%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 31.6%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 40.7%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 50%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 59.3%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 68.4%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 76.8%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 84.4%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 90.8%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 95.7%),
color-mix(in oklch, var(--eg-from), var(--eg-to) 98.9%),
var(--eg-to)
);
}
@utility bg-eased-linear-* {
--eg-angle: --value(--direction-*);
--eg-angle: calc(--value(integer) * 1deg);
--eg-angle: --value([angle]);
@apply eased-linear-fill;
}
@utility -bg-eased-linear-* {
--eg-angle: calc(--value(integer) * -1deg);
--eg-angle: calc(--value([angle]) * -1);
@apply eased-linear-fill;
}
@utility glossy {
position: relative;
isolation: isolate;
&::before {
content: '';
position: absolute;
inset: 0;
z-index: -1;
border-radius: inherit;
background: radial-gradient(
120% var(--glossy-h, 55%) at 50% var(--glossy-y, 0%),
var(--glossy-color, rgb(255 255 255 / 0.35)),
transparent 55%
);
pointer-events: none;
}
}
@utility glossy-* {
--glossy-color: --value(--color-*);
--glossy-color: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
--glossy-h: calc(--value(number) * 1%);
--glossy-h: --value([percentage], [length]);
}
@utility -glossy-* {
--glossy-h: calc(--value(number) * 1%);
--glossy-h: --value([percentage], [length]);
--glossy-y: 100%;
}
@utility fade-y {
--fade-s: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-start, var(--fade, 1.5rem)));
--fade-e: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-end, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to bottom,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-s) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-s) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-s) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-s) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-s) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-s) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-s) * 0.875),
#000 var(--fade-s),
#000 calc(100% - var(--fade-e)),
rgb(0 0 0 / 0.957) calc(100% - var(--fade-e) * 0.875),
rgb(0 0 0 / 0.844) calc(100% - var(--fade-e) * 0.75),
rgb(0 0 0 / 0.684) calc(100% - var(--fade-e) * 0.625),
rgb(0 0 0 / 0.5) calc(100% - var(--fade-e) * 0.5),
rgb(0 0 0 / 0.316) calc(100% - var(--fade-e) * 0.375),
rgb(0 0 0 / 0.156) calc(100% - var(--fade-e) * 0.25),
rgb(0 0 0 / 0.043) calc(100% - var(--fade-e) * 0.125),
rgb(0 0 0 / 0)
);
mask-repeat: no-repeat;
}
@utility fade-t {
--fade-s: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-start, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to bottom,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-s) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-s) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-s) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-s) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-s) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-s) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-s) * 0.875),
#000 var(--fade-s)
);
mask-repeat: no-repeat;
}
@utility fade-b {
--fade-e: min(var(--fade, 1.5rem), var(--scroll-area-overflow-y-end, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to top,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-e) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-e) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-e) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-e) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-e) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-e) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-e) * 0.875),
#000 var(--fade-e)
);
mask-repeat: no-repeat;
}
@utility fade-x {
--fade-s: min(var(--fade, 1.5rem), var(--scroll-area-overflow-x-start, var(--fade, 1.5rem)));
--fade-e: min(var(--fade, 1.5rem), var(--scroll-area-overflow-x-end, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to right,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-s) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-s) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-s) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-s) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-s) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-s) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-s) * 0.875),
#000 var(--fade-s),
#000 calc(100% - var(--fade-e)),
rgb(0 0 0 / 0.957) calc(100% - var(--fade-e) * 0.875),
rgb(0 0 0 / 0.844) calc(100% - var(--fade-e) * 0.75),
rgb(0 0 0 / 0.684) calc(100% - var(--fade-e) * 0.625),
rgb(0 0 0 / 0.5) calc(100% - var(--fade-e) * 0.5),
rgb(0 0 0 / 0.316) calc(100% - var(--fade-e) * 0.375),
rgb(0 0 0 / 0.156) calc(100% - var(--fade-e) * 0.25),
rgb(0 0 0 / 0.043) calc(100% - var(--fade-e) * 0.125),
rgb(0 0 0 / 0)
);
mask-repeat: no-repeat;
}
@utility fade-l {
--fade-s: min(var(--fade, 1.5rem), var(--scroll-area-overflow-x-start, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to right,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-s) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-s) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-s) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-s) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-s) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-s) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-s) * 0.875),
#000 var(--fade-s)
);
mask-repeat: no-repeat;
}
@utility fade-r {
--fade-e: min(var(--fade, 1.5rem), var(--scroll-area-overflow-x-end, var(--fade, 1.5rem)));
mask-image: linear-gradient(
to left,
rgb(0 0 0 / 0),
rgb(0 0 0 / 0.043) calc(var(--fade-e) * 0.125),
rgb(0 0 0 / 0.156) calc(var(--fade-e) * 0.25),
rgb(0 0 0 / 0.316) calc(var(--fade-e) * 0.375),
rgb(0 0 0 / 0.5) calc(var(--fade-e) * 0.5),
rgb(0 0 0 / 0.684) calc(var(--fade-e) * 0.625),
rgb(0 0 0 / 0.844) calc(var(--fade-e) * 0.75),
rgb(0 0 0 / 0.957) calc(var(--fade-e) * 0.875),
#000 var(--fade-e)
);
mask-repeat: no-repeat;
}
@utility fade-* {
--fade: calc(--value(number) * var(--spacing));
--fade: --value([length]);
}
@utility pattern-dots {
background-image: radial-gradient(currentColor 1px, transparent 1px);
background-size: var(--pattern, 16px) var(--pattern, 16px);
}
@utility pattern-grid {
background-image:
linear-gradient(to right, currentColor 1px, transparent 1px),
linear-gradient(to bottom, currentColor 1px, transparent 1px);
background-size: var(--pattern, 16px) var(--pattern, 16px);
}
@utility pattern-* {
--pattern: calc(--value(number) * var(--spacing));
--pattern: --value([length]);
}
@keyframes shimmer {
from { background-position: -150% 0; }
to { background-position: 250% 0; }
}
@utility shimmer {
--shimmer-c: var(--shimmer, rgb(255 255 255 / 0.5));
background-image: linear-gradient(
90deg,
transparent,
color-mix(in oklch, var(--shimmer-c) 4.3%, transparent) 6.25%,
color-mix(in oklch, var(--shimmer-c) 15.6%, transparent) 12.5%,
color-mix(in oklch, var(--shimmer-c) 31.6%, transparent) 18.75%,
color-mix(in oklch, var(--shimmer-c) 50%, transparent) 25%,
color-mix(in oklch, var(--shimmer-c) 68.4%, transparent) 31.25%,
color-mix(in oklch, var(--shimmer-c) 84.4%, transparent) 37.5%,
color-mix(in oklch, var(--shimmer-c) 95.7%, transparent) 43.75%,
var(--shimmer-c) 50%,
color-mix(in oklch, var(--shimmer-c) 95.7%, transparent) 56.25%,
color-mix(in oklch, var(--shimmer-c) 84.4%, transparent) 62.5%,
color-mix(in oklch, var(--shimmer-c) 68.4%, transparent) 68.75%,
color-mix(in oklch, var(--shimmer-c) 50%, transparent) 75%,
color-mix(in oklch, var(--shimmer-c) 31.6%, transparent) 81.25%,
color-mix(in oklch, var(--shimmer-c) 15.6%, transparent) 87.5%,
color-mix(in oklch, var(--shimmer-c) 4.3%, transparent) 93.75%,
transparent
);
background-size: 200% 100%;
background-repeat: no-repeat;
@media (prefers-reduced-motion: no-preference) {
animation: shimmer var(--shimmer-duration, 1.5s) linear infinite;
}
}
@utility shimmer-* {
--shimmer: --value(--color-*);
--shimmer: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@property --shimmer-border-angle {
syntax: '<angle>';
inherits: false;
initial-value: 0deg;
}
@keyframes shimmer-border-spin {
to { --shimmer-border-angle: 360deg; }
}
@utility shimmer-border {
position: relative;
isolation: isolate;
&::after {
content: '';
position: absolute;
inset: 0;
z-index: -1;
border-radius: inherit;
padding: var(--shimmer-border-width, 1.5px);
background: conic-gradient(
from var(--shimmer-border-angle),
var(--shimmer-border-lo, transparent),
var(--shimmer-border-hi, currentColor),
var(--shimmer-border-lo, transparent) 25%
);
mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
mask-composite: exclude;
pointer-events: none;
@media (prefers-reduced-motion: no-preference) {
animation: shimmer-border-spin var(--shimmer-border-duration, 3s) linear infinite;
}
}
}
@utility shimmer-border-* {
--shimmer-border-width: calc(--value(number) * 1px);
--shimmer-border-width: --value([length]);
--shimmer-border-hi: --value(--color-*);
--shimmer-border-hi: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@utility shimmer-border-hi-* {
--shimmer-border-hi: --value(--color-*);
--shimmer-border-hi: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@utility shimmer-border-lo-* {
--shimmer-border-lo: --value(--color-*);
--shimmer-border-lo: color-mix(in oklch, --value(--color-*) calc(--modifier(number) * 1%), transparent);
}
@utility shimmer-border-duration-* {
--shimmer-border-duration: calc(--value(number) * 1ms);
--shimmer-border-duration: --value([*]);
}
@utility squircle {
corner-shape: superellipse(var(--squircle, 2));
}
@utility squircle-* {
--squircle: --value(number, [number]);
corner-shape: superellipse(var(--squircle));
}
@keyframes draw-path {
to { stroke-dashoffset: 0; }
}
@utility draw-path {
& path {
@media (prefers-reduced-motion: no-preference) {
stroke-dasharray: var(--draw-length, 1);
stroke-dashoffset: var(--draw-length, 1);
animation: draw-path var(--draw-duration, 1s) var(--draw-ease, ease) forwards;
}
}
}
@utility film-grain {
position: relative;
isolation: isolate;
&::after {
content: '';
position: absolute;
inset: 0;
z-index: 1;
border-radius: inherit;
pointer-events: none;
opacity: var(--grain-opacity, 0.035);
mix-blend-mode: var(--grain-blend, overlay);
animation: var(--grain-animation, none);
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='g' color-interpolation-filters='sRGB'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0.33 0.33 0.33 0 0 0.33 0.33 0.33 0 0 0.33 0.33 0.33 0 0 0 0 0 0 1'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
background-size: var(--grain-size, var(--grain-size-md)) var(--grain-size, var(--grain-size-md));
}
}
@utility grain {
@apply film-grain;
}
@utility grain-* {
--grain-size: --value(--grain-size-*, [length]);
--grain-blend: --value(--grain-blend-*);
@apply film-grain;
}
@utility grain-opacity-* {
--grain-opacity: calc(--value(number) * 1%);
--grain-opacity: --value([percentage]);
}
@utility grain-animate {
@media (prefers-reduced-motion: no-preference) {
--grain-animation: grain-flicker 0.5s steps(1) infinite;
}
}
@utility blur-ramp {
--progressive-blur-layers: 6;
position: relative;
isolation: isolate;
/* Optional scrim: a color wash over the strong-blur end that hides the
shimmer backdrop-filter gives off as content scrolls. Off until a
progressive-blur-scrim-* class sets the color. */
&::after {
content: '';
position: absolute;
inset: 0;
z-index: calc(var(--progressive-blur-layers) + 1);
pointer-events: none;
border-radius: inherit;
background: linear-gradient(
to top,
transparent,
var(--progressive-blur-scrim, transparent)
);
}
& > * {
position: absolute;
inset: 0;
z-index: var(--blur-layer);
border-radius: inherit;
pointer-events: none;
backdrop-filter: blur(
calc(var(--progressive-blur-amount, var(--blur-lg)) * pow(2, (var(--blur-layer) - var(--progressive-blur-layers))))
);
mask-image: linear-gradient(
to top,
transparent calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) - 2)),
black calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) - 1)),
black calc(100% / var(--progressive-blur-layers) * var(--blur-layer)),
transparent calc(100% / var(--progressive-blur-layers) * (var(--blur-layer) + 1))
);
}
}
@utility progressive-blur {
@apply blur-ramp;
}
@utility progressive-blur-* {
--progressive-blur-amount: --value(--blur-*);
@apply blur-ramp;
}
@utility progressive-blur-scrim-* {
--progressive-blur-scrim: --value(--color-*);
}