console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<table border="1" width="500" cellspacing="0" cellpadding="5" rules="all" frame="box">
<caption>课程表</caption>
<thead bgcolor="pink ">
<tr>
<th>星期1</th>
<th>星期2</th>
<th>星期4</th>
<th>星期5</th>
</tr>
</thead>
<tr>
<td align="center">语文</td>
<td align="center">数学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center" bgcolor="pink ">语文</td>
<td align="center">数学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center">课间活动</td>
<td align="center" bgcolor="pink ">课间活动</td>
<td align="center">课间活动</td>
<td align="center">课间活动</td>
</tr>
<tr>
<td align="center">语文</td>
<td align="center">数学</td>
<td align="center" bgcolor="pink ">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center">语文</td>
<td align="center">数学</td>
<td align="center">英语</td>
<td align="center" bgcolor="pink ">生物</td>
</tr>
</table>
</body>
</html>
</body>
</html>