2024-01-01から1年間の記事一覧
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body { font-family: Arial, sans-serif; margin: 20px; } h1 { text-align: center; } table { border-collapse: collapse; width: 100%; margin-bottom: 20px; } th, td { border: 1px solid black; padding: 8px; text-align: right; } th { background-c…
