CSS Program to Image Swap on Breakpoint with Explanation
CSS
Medium
Responsive Design
17 views
1 min read
91 words
This problem helps you practice core CSS fundamentals in a practical way. It builds intuition around image, html, css. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Show a different image size rule under 600px.
Input Format
No input.
Output Format
Print the HTML+CSS code in one block.
Constraints
Use one class and change height with media query.
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
<!doctype html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<title>meetcode</title>
<style>
.hero { width: 100%; max-width: 720px; height: 260px; border-radius: 16px; overflow: hidden; border: 1px solid #eee; }
.hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 600px) { .hero { height: 160px; } }
</style>
</head>
<body>
<div class='hero'>
<img src='hero.jpg' alt='meetcode hero'>
</div>
</body>
</html>
Output Example
No sample I/O is provided for this question.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Show a different image size rule under 600px.
Input / Output
Output
Print the HTML+CSS code in one block.
Constraints
Use one class and change height with media query.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Official Solution
<!doctype html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<title>meetcode</title>
<style>
.hero { width: 100%; max-width: 720px; height: 260px; border-radius: 16px; overflow: hidden; border: 1px solid #eee; }
.hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 600px) { .hero { height: 160px; } }
</style>
</head>
<body>
<div class='hero'>
<img src='hero.jpg' alt='meetcode hero'>
</div>
</body>
</html>
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