HTML col tag

HTML <col> tag is used to define column properties for columns within a <table>. It is typically used with the <colgroup> tag, which groups multiple <col> elements to apply styles or attributes to entire columns in a table. HTML <col> tag allow you to style or define attribute (like width, background color, etc.) for one or more columns in a table without having to apply the styles to each individual <td> or <th> element.

HTML col tag with Syntax

<col span="number" style="property:value;">

HTML col tag with Example

<!DOCTYPE html>
<html lang="en">
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>HTML col Tag Example</title>
  <style>
    table, th, td {
      border: 1px solid black;
      border-collapse: collapse;
      padding: 10px;
      text-align: left;
    }
    colgroup col:nth-child(1) {
      background-color: #f2f2f2;
      width: 150px;
    }
    colgroup col:nth-child(2) {
      background-color: #ffebcc;
      width: 100px;
    }
    colgroup col:nth-child(3) {
      background-color: #d1e7dd;
      width: 120px;
    }
  </style>
</head>
<body>
  <h2>Monthly Sales Data</h2>
  <table>
    <colgroup>
      <col span="1">
      <col span="1">
      <col span="1">
    </colgroup>
    <thead>
      <tr>
        <th>Product</th>
        <th>Sales</th>
        <th>Profit</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>Laptop</td>
        <td>200</td>
        <td>$40,000</td>
      </tr>
      <tr>
        <td>Smartphone</td>
        <td>500</td>
        <td>$75,000</td>
      </tr>
      <tr>
        <td>Tablet</td>
        <td>150</td>
        <td>$20,000</td>
      </tr>
    </tbody>
  </table>
</body>
</html>

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