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1. Solution
1.1 solutions in a nutshel Beginner

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } :root { --bg: #f5f4f0; --surface: #ffffff; --surface2: #f0efe9; --border: #e2e0d8; --border-strong: #ccc9b...

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