<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>课程表</title>
  <style>
    html {
      font-family: sans-serif;
    }

    table {
      border-collapse: collapse;
      border: 2px solid rgb(200,200,200);
      letter-spacing: 1px;
      font-size: 0.8rem;
    }

    td, th {
      border: 1px solid rgb(190,190,190);
      padding: 10px 20px;
    }

    td {
      text-align: center;
    }

    caption {
      padding: 10px;
    }
  </style>
</head>
<body>
<h1>课程表</h1>

<table>
  <colgroup>
    <col span="2">
    <col style="background-color:#97DB9A;">
    <col style="width:42px;">
    <col style="background-color:#97DB9A;">
    <col style="background-color:#DCC48E; border:4px solid #C1437A;">
    <col span="2" style="width:42px;">
  </colgroup>
  <tr>
    <td>&nbsp;</td>
    <th>星期一</th>
    <th>星期二</th>
    <th>星期三</th>
    <th>星期四</th>
    <th>星期五</th>
    <th>星期六</th>
    <th>星期日</th>
  </tr>
  <tr>
    <th>第一节</th>
    <td>英语</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>德语</td>
    <td>荷兰语</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <th>第二节</th>
    <td>英语</td>
    <td>英语</td>
    <td>&nbsp;</td>
    <td>德语</td>
    <td>荷兰语</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <th>第三节</th>
    <td>&nbsp;</td>
    <td>德语</td>
    <td>&nbsp;</td>
    <td>德语</td>
    <td>荷兰语</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <th>第四节</th>
    <td>&nbsp;</td>
    <td>英语</td>
    <td>&nbsp;</td>
    <td>英语</td>
    <td>荷兰语</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
</table>


</body>
</html>
