<title>Taula de Contingut del Llibre</title> <style> table { width: 70%; margin: 20px auto; border-collapse: collapse; text-align: left; } caption { font-size: 1.4em; font-weight: bold; padding: 10px; } th, td { border: 1px solid #333; padding: 8px; } thead { background-color: #e0f2fe; } tfoot { background-color: #f3f4f6; font-style: italic; text-align: center; } colgroup col:first-child { background-color: #fff7ed; } colgroup col:nth-child(2) { background-color: #f0f9ff; } colgroup col:nth-child(3) { background-color: #f0fdf4; } </style>