HTML/CSS/Box Model/border spacing
border-spacing: 15px 0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title> My favorite records </title>
<style rel="stylesheet" type="text/css">
table {
width: 100%;
border: thin solid black;
border-spacing: 15px 0;
}
td {
border: thin solid black;
}
th, tfoot td {
border: thin solid black;
text-align: center;
font-weight: bold;
}
tbody td {
font-size: 120%;
}
caption {
font-size: 90%;
text-align: right;
}
td, th, caption {
padding: 5px;
}
</style>
</head>
<body>
<table>
<caption>
Table
</caption>
<colgroup>
<col id="album" />
<col id="artist" />
<col id="released" />
</colgroup>
<thead>
<tr>
<th>a</th>
<th>a</th>
<th>r</th>
</tr>
</thead>
<tbody>
<tr>
<td> R</td>
<td> T</td>
<td> 1</td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
<tfoot>
<tr>
<td>a</td>
<td>a</td>
<td>r</td>
</tr>
</tfoot>
</table>
</body>
</html>
border-spacing: 20px
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Example</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<style rel="stylesheet" type="text/css">
table {
border-collapse: separate;
border-spacing: 20px;
}
td {
border: 1px solid black;
}
</style>
</head>
<body>
<table>
<tr>
<td>Cell one</td>
<td>Cell two</td>
</tr>
<tr>
<td>Cell three</td>
<td>Cell four</td>
</tr>
</table>
</body>
</html>