CSS Program to Variables With Fallback with Explanation
CSS
Hard
CSS Foundations
30 views
1 min read
88 words
This problem helps you practice core CSS fundamentals in a practical way. It builds intuition around fallback, css, variable. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Use a CSS variable with a fallback color for a badge.
Input Format
No input.
Output Format
Print the HTML+CSS code in one block.
Constraints
Use var(--x, fallback).
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>
.badge { background: var(--badge-bg, #222); color: #fff; padding: 6px 10px; border-radius: 8px; }
</style>
</head>
<body>
<span class='badge'>New on meetcode</span>
</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
Use a CSS variable with a fallback color for a badge.
Input / Output
Output
Print the HTML+CSS code in one block.
Constraints
Use var(--x, fallback).
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>
.badge { background: var(--badge-bg, #222); color: #fff; padding: 6px 10px; border-radius: 8px; }
</style>
</head>
<body>
<span class='badge'>New on meetcode</span>
</body>
</html>
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