<div class="container">
  <p>The following code snippets are placed inside a <code><pre></code> element so that the white spaces are preserved and the effect of increasing/decreasing the tab size is visible.</p>
  <div class="snippet snippet-1">
    <pre>
.tab-size {
	tab-size: 4;
}
no tabs
	one tab
		two tabs
</pre>
  </div>
  <div class="snippet snippet-2">
    <pre>
.tab-size {
	tab-size: 8;
}
no tabs
	one tab
		two tabs
</pre>
  </div>
  <div class="snippet snippet-3">
    <pre>
.tab-size {
	tab-size: 12;
}
no tabs
	one tab
		two tabs
</pre>
  </div>
</div>
body {
  background-color: #F5F5F5;
  color: #555;
  font-size: 1.3em;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.container {
  max-width: 700px;
  margin: 50px auto;
}

.snippet {
  background-color: #0099cc;
  color: white;
  max-width: 300px;
  margin-bottom: 10px;
  padding: 10px;
}

.snippet-1 pre {
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
}

.snippet-2 pre {
  -moz-tab-size: 8;
  -o-tab-size: 8;
  tab-size: 8;
}

.snippet-3 pre {
  -moz-tab-size: 12;
  -o-tab-size: 12;
  tab-size: 12;
}