Moving / Glowing Border

A border of light that travels round a card, faces the pointer, or wakes on hover.

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Category
Creative
Access
Pro
Source
154 lines · one file
States
5 drawn

The decision inside it

The inside stays the card colour

Only the rim lights up, so text in the card keeps its contrast whatever the light is doing.

When to use it

Use Glow Border to make one card or button stand out: the recommended plan, the main call to action, a featured item. Keep it to one or two per screen.

Installation

How you get it

Paste this into Claude Code, Cursor, Codex or any coding agent. It installs the file and uses it as it is, instead of writing a new one.

Use Liro's Moving / Glowing Border for this.
Install it: npx shadcn@latest add @liro/glow-border
(the @liro registry is set up in components.json, with LIRO_KEY in .env.local)
Import it from @/components/ui/glow-border.
Do not rewrite or restyle it. Pass my data through its props
and keep its built-in states.

For the full brief with every prop and the mistakes assistants usually make, use Copy prompt above. Pro components install through the @liro registry with your CLI token: see the Namespaced tab.

Usage

components/featured-plan.tsx
import { GlowBorder } from "@/components/ui/glow-border";

export function FeaturedPlan() {
  return (
    <GlowBorder mode="moving" radius={20} className="p-6">
      <h3 className="font-semibold">Team</h3>
      <p className="text-sm text-muted-foreground">$12 per sender a month</p>
    </GlowBorder>
  );
}

API reference

“Copy prompt” above puts a full brief on your clipboard, install command, dependencies, props, and the mistakes an assistant usually makes with this component.

Props

Read from the component’s own TypeScript interface when the site is built, so this table cannot drift from the file you install.

TypeNotes
childrenReact.ReactNode No–
mode"moving" | "follow-pointer" | "hover" No"moving" travels round, "follow-pointer" faces the pointer, "hover" lights up on hover and focus. Default "moving".
colorsstring[] NoTwo or more CSS colours for the light. Default the theme's info and success hues.
borderWidthnumber NoThickness of the border, in pixels. Default 1.5.
radiusnumber NoCorner radius, in pixels. Default 18.
durationnumber NoMilliseconds for one trip round. Default 4000.
asReact.ElementType NoThe element to render, e.g. "button" or "a". Default "div".
hrefstring NoFor `as="a"`.
type"button" | "submit" | "reset" NoFor `as="button"`.

Dependencies

npm packages

clsxtailwind-merge

Liro foundations, installed alongside it

liro-theme

States

All of them are drawn by the component. None is left for you to design.

  • Moving
  • Follow pointer
  • Hover
  • Focused button
  • Reduced motion

Accessibility

  • Keyboard reachable throughout, in visual order
  • Focus trapped in overlays, Escape closes them
  • Focus returns to whatever opened it
  • Live regions announce what changed, not that something did
  • Honours prefers-reduced-motion

Responsive behavior

  • Sizes to its container, not the viewport
  • Usable from 320px up
  • Pointer-based interaction, so trackpad and touch both work
  • No hover-only affordances