<table> <tr> <th>ブラウザ</th> <th>開 発</th> </tr> <tr> <td>Firefox</td> <td>Mozilla</td> </tr> <tr> <td>Chrome</td> <td>Google</td> </tr> <tr> <td>Internet Explorer</td> <td>microsoft</td> </tr> <tr> <td>Safari</td> <td>apple</td> </tr> <tr> <td>Opera</td> <td>Opera Software</td> </tr> </table> 次にCSSです。 table { width: auto; border: 1px solid #B0C4DE; border-collapse: collapse; border-spacing: 0; } th
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