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Build structured data tables with proper HTML markup.
<!DOCTYPE html>
<html>
<head>
<style>
body { font-family: sans-serif; padding: 20px; }
table {
border-collapse: collapse;
width: 100%;
max-width: 600px;
margin: 20px auto;
}
th, td {
border: 1px solid #ddd;
padding: 12px;
text-align: left;
}
th {
background-color: #3b82f6;
color: white;
}
tr:nth-child(even) {
background-color: #f9fafb;
}
tr:hover {
background-color: #f3f4f6;
}
caption {
font-size: 1.2em;
margin-bottom: 10px;
font-weight: bold;
}
</style>
</head>
<body>
<table>
<caption>Employee Directory</caption>
<thead>
<tr>
<th>Name</th>
<th>Department</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>Alice Johnson</td>
<td>Engineering</td>
<td>alice@example.com</td>
</tr>
<tr>
<td>Bob Smith</td>
<td>Marketing</td>
<td>bob@example.com</td>
</tr>
<tr>
<td>Charlie Brown</td>
<td>Design</td>
<td>charlie@example.com</td>
</tr>
</tbody>
</table>
</body>
</html>HTML tables use <table>, <tr> (row), <th> (header), and <td> (data). Use <thead>, <tbody> for structure. CSS styles make tables readable.