How to Convert Hexadecimal to Binary
body {font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; color:#222;}
h1 {color:#2c3e50;}
table {border-collapse: collapse; width: 60%; margin: 20px 0;}
table, th, td {border: 1px solid #555; padding: 8px; text-align: center;}
th {background: #f4f4f4;}
a {color: #0066cc; text-decoration: none;}
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