CSS Program to Grid Column Span with Explanation
CSS
Medium
Grid Layout
28 views
1 min read
89 words
This problem helps you practice core CSS fundamentals in a practical way. It builds intuition around grid, column, span. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Make one grid item span across two columns.
Input Format
No input.
Output Format
Print the HTML+CSS code in one block.
Constraints
Use grid-column: 1 / -1 for the wide item.
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>
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.item { border: 1px solid #eee; border-radius: 12px; padding: 12px; }
.wide { grid-column: 1 / -1; background: #eafaf1; }
</style>
</head>
<body>
<div class='grid'>
<div class='item wide'>meetcode featured topic</div>
<div class='item'>HTML</div>
<div class='item'>CSS</div>
</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
Make one grid item span across two columns.
Input / Output
Output
Print the HTML+CSS code in one block.
Constraints
Use grid-column: 1 / -1 for the wide item.
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>
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.item { border: 1px solid #eee; border-radius: 12px; padding: 12px; }
.wide { grid-column: 1 / -1; background: #eafaf1; }
</style>
</head>
<body>
<div class='grid'>
<div class='item wide'>meetcode featured topic</div>
<div class='item'>HTML</div>
<div class='item'>CSS</div>
</div>
</body>
</html>
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