Files
hyperframes/docs/catalog/blocks/mk-background.mdx
Miguel Ángel d7688f9943 fix(docs): load the player from latest, not a pinned minor (#3320)
* fix(docs): load the player from latest, not a pinned minor

The catalog pages pinned the player CDN URL to a minor line, and that pin
sat one line behind after the last release. Every page kept rendering, on
the older build, so nothing surfaced it: the only symptom was that a fix
published to npm never appeared on the docs.

The generator derived its pin from the player's package.json, which is
correct only if every page is regenerated on the release that moves it.
That is the step that did not happen, and it has to happen across 175
generated pages plus three hand-written files for the pin to be true.

A version carried in step across 178 places will be stale, and stale here
is silent. Ask for latest instead and there is nothing to carry.

This costs the ability to hold the docs back from a bad player release.
Paid deliberately: the pin did not buy that either, it only delayed the
good releases too.

A test asserts no pinned version comes back, and fails if it stops finding
the references at all, so it cannot pass by matching nothing.

* refactor(scripts): list tracked files instead of walking the tree

The pin guard hand-rolled a recursive directory walk with its own skip
list and size cap, which the audit flagged: helpers living in a test file
earn no coverage, so their complexity lands straight on the CRAP score.

git already knows which files to read, and ignores node_modules and build
output for us, so one call replaces the walker and both findings go away.
2026-08-17 21:11:12 -04:00

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---
title: "Minimal Gradient Background"
description: "Procedural soft-blob gradient backdrop in a minimalist presentation style: two radial blobs drifting over a base color, with an animatable rounded-card bar mask and optional frosted-glass mode"
---
import { InstallCommand } from "/snippets/install-command.jsx";
<iframe
className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
title="mk-background preview"
loading="lazy"
srcDoc={`<!doctype html><html><head><meta charset="utf-8"><style>html,body{margin:0;height:100%;overflow:hidden;background:transparent}hyperframes-player{display:block;width:100%;height:100%}</style><script src="https://cdn.jsdelivr.net/npm/@hyperframes/player@latest/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/blocks/mk-background.json").then(function(r){return r.json()}).then(function(d){var p=document.createElement("hyperframes-player");p.setAttribute("srcdoc",d.html);p.setAttribute("controls","");p.setAttribute("autoplay","");p.setAttribute("loop","");p.setAttribute("muted","");p.setAttribute("poster","https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/mk-background.png");document.body.appendChild(p)});<\/script></body></html>`}
/>
## Install
<InstallCommand command="npx hyperframes add mk-background" item="mk-background" />
That writes one file: `compositions/mk-background.html`.
## Add it to your video
It runs for 10 seconds at 1920×1080. Paste this into your composition:
```html index.html
<div
data-composition-id="mk-background"
data-composition-src="compositions/mk-background.html"
data-start="0"
data-duration="10"
data-track-index="1"
data-width="1920"
data-height="1080"
></div>
```
Move it in time with `data-start`. Put it on a different timeline row with
`data-track-index`. See [data attributes](/concepts/data-attributes) for the rest.
## Source
<Accordion title={`mk-background.html`}>
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
background: transparent;
overflow: hidden;
}
#mk-bg-root {
/* ---- mk tokens: override these in the host to re-skin the family ---- */
--mk-font: "Inter", -apple-system, sans-serif;
--mk-stage: #f5f5f7;
--mk-base: #ffffff;
--mk-blob-1: #ff7ac8;
--mk-blob-2: #45d6c8;
--mk-stage-dark: #000000;
--mk-base-dark: #0a0a0c;
--mk-blob-1-dark: #7d5cff;
--mk-blob-2-dark: #2d1b69;
--mk-radius-card: 40px;
--mk-shadow: 0 30px 80px rgba(0, 0, 0, 0.18);
position: relative;
width: 1920px;
height: 1080px;
overflow: hidden;
background: var(--mk-stage);
}
#mk-bg-root.mk-dark {
background: var(--mk-stage-dark);
}
/* The "Bar" — an animatable rounded-rect mask. Full-bleed by default,
animatable down to a floating card over the stage. */
#mk-bg-card {
position: absolute;
top: 0;
left: 0;
width: 1920px;
height: 1080px;
overflow: hidden;
border-radius: 0;
background: var(--mk-base);
box-shadow: var(--mk-shadow);
}
.mk-dark #mk-bg-card {
background: var(--mk-base-dark);
}
/* Soft radial blobs — the procedural "mesh gradient". Two oversized
radial gradients with a long falloff, drifting slowly. */
.mk-bg-blob {
position: absolute;
border-radius: 50%;
will-change: transform;
}
#mk-bg-blob1 {
background: radial-gradient(
circle closest-side,
var(--mk-blob-1) 0%,
rgba(255, 255, 255, 0) 72%
);
}
#mk-bg-blob2 {
background: radial-gradient(
circle closest-side,
var(--mk-blob-2) 0%,
rgba(255, 255, 255, 0) 72%
);
}
.mk-dark #mk-bg-blob1 {
background: radial-gradient(
circle closest-side,
var(--mk-blob-1-dark) 0%,
rgba(0, 0, 0, 0) 72%
);
}
.mk-dark #mk-bg-blob2 {
background: radial-gradient(
circle closest-side,
var(--mk-blob-2-dark) 0%,
rgba(0, 0, 0, 0) 72%
);
}
</style>
</head>
<body>
<div
id="mk-bg-root"
data-composition-id="mk-background"
data-start="0"
data-duration="10"
data-width="1920"
data-height="1080"
>
<div id="mk-bg-card">
<div id="mk-bg-blob1" class="mk-bg-blob" data-layout-allow-overflow></div>
<div id="mk-bg-blob2" class="mk-bg-blob" data-layout-allow-overflow></div>
</div>
<div
id="mk-bg-drv"
class="clip"
data-start="0"
data-duration="10"
data-track-index="0"
style="position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none"
></div>
</div>
<script>
(function () {
window.__timelines = window.__timelines || {};
/* ---- published parameters (inspector-style CONFIG) ---- */
var CONFIG = {
scheme: "light", // "light" | "dark"
animationIn: true, // fade/settle entrance
animationOut: true, // fade exit
drift: true, // ambient blob motion
// Soft BG blobs: center as fraction of canvas, radius in px
blob1: { x: 0.28, y: 0.32, r: 950, opacity: 0.85 },
blob2: { x: 0.74, y: 0.66, r: 1100, opacity: 0.8 },
// Bar mask (rounded-rect card). demo:true plays full-bleed -> card -> full-bleed
bar: {
demo: true, // full-bleed -> rounded card -> full-bleed showcase
x: 240,
y: 140,
width: 1440,
height: 800,
roundness: 40,
},
// Content opacity + frost only matter with footage beneath the block
contentOpacity: 1,
frostBlur: 0, // px; e.g. 24 for the frosted-card look over footage
};
var W = 1920,
H = 1080,
DUR = 10;
var root = document.getElementById("mk-bg-root");
var card = document.getElementById("mk-bg-card");
var blob1 = document.getElementById("mk-bg-blob1");
var blob2 = document.getElementById("mk-bg-blob2");
if (CONFIG.scheme === "dark") root.classList.add("mk-dark");
function placeBlob(el, b) {
var d = b.r * 2;
el.style.width = d + "px";
el.style.height = d + "px";
el.style.left = b.x * W - b.r + "px";
el.style.top = b.y * H - b.r + "px";
el.style.opacity = String(b.opacity);
}
placeBlob(blob1, CONFIG.blob1);
placeBlob(blob2, CONFIG.blob2);
card.style.opacity = String(CONFIG.contentOpacity);
if (CONFIG.frostBlur > 0) {
card.style.backdropFilter = "blur(" + CONFIG.frostBlur + "px) saturate(1.4)";
}
var tl = gsap.timeline({ paused: true });
/* entrance — fade + blobs settle (power3, no bounce) */
if (CONFIG.animationIn) {
tl.from(root, { opacity: 0, duration: 0.7, ease: "power2.out" }, 0);
tl.from([blob1, blob2], { scale: 1.14, duration: 1.2, ease: "power3.out" }, 0);
}
/* ambient drift — slow sine yoyo, seek-safe timeline tweens */
if (CONFIG.drift) {
tl.to(
blob1,
{ x: 70, y: 42, duration: 2.35, ease: "sine.inOut", yoyo: true, repeat: 3 },
0.3,
);
tl.to(
blob2,
{ x: -84, y: -36, duration: 2.35, ease: "sine.inOut", yoyo: true, repeat: 3 },
0.3,
);
}
/* bar-mask demo: full-bleed -> rounded card over the stage -> full-bleed.
Offset via x/y transforms, not top/left: layout properties snap to
integer device pixels and stutter under seek-by-frame capture. The
card's CSS base is top:0/left:0, so the transform values match 1:1. */
if (CONFIG.bar.demo) {
tl.to(
card,
{
y: CONFIG.bar.y,
x: CONFIG.bar.x,
width: CONFIG.bar.width,
height: CONFIG.bar.height,
borderRadius: CONFIG.bar.roundness,
duration: 1.1,
ease: "power3.inOut",
},
3.8,
);
tl.to(
card,
{
y: 0,
x: 0,
width: W,
height: H,
borderRadius: 0,
duration: 1.0,
ease: "power3.inOut",
},
7.6,
);
}
/* exit + hard kill */
if (CONFIG.animationOut) {
tl.to(root, { opacity: 0, duration: 0.4, ease: "power2.in" }, DUR - 0.45);
}
tl.set(root, { visibility: "hidden" }, DUR - 0.02);
window.__timelines["mk-background"] = tl;
})();
</script>
</body>
</html>
```
</Accordion>
{/* hf:generated-footer */}
Tagged `background` `gradient` `minimal` `professional` `presentation`.
## Related topics
- [Browse the complete Catalog](/catalog)
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
- [Build a richer composition](/go-further)