PHP/HTML Source:
<!DOCTYPE html>
<html>
<head>
<title>Grid Cells</title>
<link href="raxan/ui/css/master.css" rel="stylesheet" type="text/css" />
<!--[if lt IE 8]><link rel="stylesheet" href="raxan/ui/css/master.ie.css" type="text/css"><![endif]-->
<link href="raxan/ui/css/default/theme.css" rel="stylesheet" type="text/css" />
<style type="text/css">
.eee, .ddd, .ccc { color:#777; }
.eee { background:#eee; }
.ddd { background:#ddd; }
.ccc { background:#ccc; }
.color1 { background:#ECECBB; }
.color2 { background:#CCFF99; }
.color3 { background:#FFCCCC; }
.color4 { background:#CCFFFF; }
</style>
</head>
<body>
<div class="container c37 tpm">
<div class="column bmm r3 eee c2">c2</div>
<div class="column bmm r3 ddd c4">c4</div>
<div class="column bmm r3 ddd c6">c6</div>
<div class="column bmm r3 color3 c4">c4</div>
<div class="column bmm r3 ccc c5">c5</div>
<div class="column bmm r3 ccc c5">c5</div>
<div class="column bmm r3 ccc c7">c7</div>
<div class="column bmm r3 ddd c6">c6</div>
<div class="column bmm r3 eee c1">c1</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 color2 c7">c7</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 ddd c1">c1</div>
<div class="column bmm r3 ddd c5">c5</div>
<div class="column bmm r3 ddd c3">c3</div>
<div class="column bmm r3 ccc c6">c6</div>
<div class="column bmm r3 ccc c2">c2</div>
<div class="column bmm r3 eee c3">c3</div>
<div class="column bmm r3 ddd c7">c7</div>
<div class="column bmm r3 color1 c6">c6</div>
<div class="column bmm r3 eee c7">c7</div>
<div class="column bmm r3 ccc c2">c2</div>
<hr />
<div class="column bmm r3 eee c2">c2</div>
<div class="column bmm r3 ccc c5">c5</div>
<div class="column bmm r3 ddd c4">c4</div>
<div class="column bmm r3 eee c6">c6</div>
<div class="column bmm r3 eee c4">c4</div>
<div class="column bmm r3 color4 c5">c5</div>
<div class="column bmm r3 ccc c7">c7</div>
<div class="column bmm r3 ddd c6">c6</div>
<div class="column bmm r3 ccc c2">c2</div>
<div class="column bmm r3 eee c1">c1</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 ccc c3">c3</div>
<div class="column bmm r3 color2 c7">c7</div>
<div class="column bmm r3 ddd c5">c5</div>
<div class="column bmm r3 ddd c2">c2</div>
</div>
</body>
</html>