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Neon Glow Card

This is an interactive card UI component where the edge of the card lights up like a neon light when hovered, and the spotlight moves depending on the mouse position.

HTMLCSSJavaScript

Preview

Three cards stand out against a dark background, and when hovered, a neon glow and spotlight effect is activated.

⚡

Lightning Fast

Load instantly with edge caching.

🛡️

Secure by Design

Safe with zero trust security.

📊

Deep Analytics

Real-time insights.

Use cases and features

  • Games/Dashboards/Digital Products: Suitable for dark theme sites.

  • CSS variables plus JavaScript: A simple implementation to update --mx / --my variables with JavaScript.

  • Control the color of each card with CSS variables: Easily change the emitting color with the --glow variable.

Points of design and UX

  1. Control the position of radial-gradient with the position of the mouse: Achieve spotlight directionality by specifying the position with a CSS variable instead of background-position.

  2. opacity: 0 → 0.6 transition: The glow fades in, so the hover is natural and smooth.

  3. translateY(-8px) lift-up: The effect of making the cards appear floating emphasizes interactivity.

How to customize

To change the glow color, just override the --glow variable:


/* pink accent */

.neon-card { --glow: #ec4899; }



/* cyan accent */

.neon-card { --glow: #06b6d4; }

Implementation code

<div class="neon-cards-grid">

<div class="neon-card neon-card-1">

  <div class="neon-card-content">

    <div class="neon-card-icon">⚡</div>

    <h3 class="neon-card-title">Lightning Fast</h3>

    <p class="neon-card-desc">Load instantly with edge caching.</p>

  </div>

</div>

<!-- Similar structure for other cards -->

</div>



<style>
/* Details are the same as CSS in Preview */

.neon-cards-grid {

display: grid;

grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

gap: 2rem;

}



.neon-card {

--glow: #6366f1;

position: relative;

background: #111;

border-radius: 16px;

padding: 2px;

cursor: pointer;

transition: transform 0.3s ease;

overflow: hidden;

}



.neon-card::before {

content: "";

position: absolute;

inset: 0;

background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 40%);

opacity: 0;

transition: opacity 0.3s ease;

}



.neon-card:hover {

transform: translateY(-8px);

}

.neon-card:hover::before {

opacity: 0.6;

}



.neon-card-content {

position: relative;

background: #111;

border-radius: 14px;

padding: 2rem;

height: 100%;

z-index: 1;

}



.neon-card-1 { --glow: #ec4899; }

.neon-card-2 { --glow: #06b6d4; }

.neon-card-3 { --glow: #8b5cf6; }
</style>



<script>

(function() {

document.querySelectorAll('.neon-card').forEach(function(card) {

  card.addEventListener('mousemove', function(e) {

    var rect = card.getBoundingClientRect();

    card.style.setProperty('--mx', ((e.clientX-rect.left)/rect.width*100)+'%');

    card.style.setProperty('--my', ((e.clientY-rect.top)/rect.height*100)+'%');

  });

});

})();

</script>

Browser compatibility status

| Browser | Compatibility status |

|--------|-------|

| Chrome 49+ | ✅ Fully compatible |

| Firefox 31+ | ✅ Fully compatible |

| Safari 9.1+ | ✅ Compatible |

| Edge 79+ | ✅ Fully compatible |