CSS Program to Animation Fill Mode Forwards with Explanation
CSS
Hard
Transitions & Animations
22 views
1 min read
93 words
This problem helps you practice core CSS fundamentals in a practical way. It builds intuition around forward, keep, final. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Animate a card in and keep the final state using fill-mode forwards.
Input Format
No input.
Output Format
Print the HTML+CSS code in one block.
Constraints
Use animation-fill-mode: forwards to keep final styles.
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>
@keyframes reveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.card { width: 360px; border: 1px solid #eee; border-radius: 14px; padding: 14px; opacity: 0; transform: translateY(10px); animation: reveal 420ms ease forwards; }
</style>
</head>
<body>
<div class='card'>meetcode animation stays visible</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
Animate a card in and keep the final state using fill-mode forwards.
Input / Output
Output
Print the HTML+CSS code in one block.
Constraints
Use animation-fill-mode: forwards to keep final styles.
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>
@keyframes reveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.card { width: 360px; border: 1px solid #eee; border-radius: 14px; padding: 14px; opacity: 0; transform: translateY(10px); animation: reveal 420ms ease forwards; }
</style>
</head>
<body>
<div class='card'>meetcode animation stays visible</div>
</body>
</html>
Solutions (0)
No solutions submitted yet. Be the first!
