Stop Fighting with Media Queries! Use CSS Container Queries Instead

Ever built a component that looks perfect in your main content but breaks in the sidebar? ?

Media queries only solve half the problem - they care about screen size, not where your component actually lives. That's where Container Queries come in.

What's Wrong with Media Queries?

Let's say you've built this card component:

@media (min-width: 768px) {
  .card {
    display: flex;
    gap: 2rem;
  }
}

Looks great on mobile and desktop! Until... your teammate puts it in a narrow sidebar. Now your "desktop" layout is trying to squeeze into a 300px space. Ouch.

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Container Queries: The Better Way

Instead of asking "how wide is the screen?", Container Queries ask "how wide is my container?" Here's how they work:

/* Step 1: Mark the container */
.card-wrapper {
  container-type: inline-size;
}

/* Step 2: Style based on container width */
@container (min-width: 400px) {
  .card {
    display: flex;
    gap: 2rem;
  }
}

Now your card adapts to its container, not the screen. Put it anywhere - it just works!

Real Example: A Smart Product Card

Here's a product card that adapts to any space:

<div>





<pre class="brush:php;toolbar:false">.product-wrapper {
  container-type: inline-size;
}

/* Mobile-first: Stack everything */
.product {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Medium container: Side-by-side layout */
@container (min-width: 400px) {
  .product {
    grid-template-columns: 200px 1fr;
  }
}

/* Large container: More sophisticated layout */
@container (min-width: 600px) {
  .product .content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .product .desc {
    grid-column: 1 / -1;
  }
}

Browser Support?

Good news! Container Queries work in all modern browsers. For older browsers, your mobile layout becomes the fallback:

/* Default mobile layout */
.product { display: grid; }

/* Enhance for modern browsers */
@supports (container-type: inline-size) {
  /* Container query styles */
}

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Quick Tips

1. Don't nest container queries too deep - it gets messy
2. Use inline-size instead of size when you only need width
3. Test your components in different-sized containers

Try It Yourself!

1. Pick a component that lives in multiple places
2. Add container-type: inline-size to its wrapper
3. Replace media queries with container queries
4. Watch it adapt automatically!

Want to Learn More?

• MDN Guide
• Can I Use - Container Queries

Drop a comment if you build something cool with Container Queries! ?

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