Pages that look good on every screen.
✍️ 3 exercises + code challenge in this lessonResponsive web design makes a page adapt to phones, tablets and desktops.
<meta name="viewport" content="width=device-width, initial-scale=1.0">.max-width: 100%; height: auto;.%, rem and vw.Mastering HTML Responsive Design helps you write clean and reliable HTML code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
<style>
img { max-width: 100%; height: auto; border-radius: 8px; }
.grid { display: flex; flex-wrap: wrap; gap: 10px; }
.box { flex: 1 1 30%; background: #2563EB; color: white; padding: 20px; border-radius: 8px; }
@media (max-width: 500px) {
.box { flex-basis: 100%; background: #14B8A6; }
}
</style>
<img src="https://picsum.photos/id/1018/900/300" alt="Mountains">
<div class="grid">
<div class="box">Box 1</div>
<div class="box">Box 2</div>
<div class="box">Box 3</div>
</div>Check what you learned in “HTML Responsive Design”.
Make images shrink on small screens.
img {
: 100%;
height: auto;
}
Which CSS feature applies styles only at certain screen widths?
Add CSS so the image has max-width: 100%.
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