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<!DOCTYPE html>
<html>
<head>
<title>CSS Selector :nth-child</title>
<style type="text/css">
p {
margin: 2px;
}
div {
margin-bottom: 1em;
border: 1px solid #ddd;
}
div div {
margin: 0;
}
.nth-child-1 p:nth-child(1) strong,
.nth-child-3 p:nth-child(3) strong,
.nth-child-odd p:nth-child(odd) strong,
.nth-child-even p:nth-child(even) strong,
.nth-child-n p:nth-child(n) strong,
.nth-child-3n p:nth-child(3n) strong,
.nth-child-n2 p:nth-child(n+2) strong, /* won't work because of the split("+") */
.nth-child-2n1 p:nth-child(2n+1) strong, /* won't work because of the split("+") */
.nth-child-3nm2 p:nth-child(3n-2) strong {
background-color: #99ff99;
}
</style>
</head>
<body>
<h3>nth-child(1)</h3>
<div class="nth-child-1">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(3)</h3>
<div class="nth-child-3">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(odd)</h3>
<div class="nth-child-odd">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(even)</h3>
<div class="nth-child-even">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(n)</h3>
<div class="nth-child-n">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(3n)</h3>
<div class="nth-child-3n">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(n+2)</h3>
<div class="nth-child-n2">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(2n+1)</h3>
<div class="nth-child-2n1">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
<h3>nth-child(3n-2)</h3>
<div class="nth-child-3nm2">
<p><strong>1</strong></p>
<p><strong>2</strong></p>
<p><strong>3</strong></p>
<p><strong>4</strong></p>
<p><strong>5</strong></p>
</div>
</body>
</html>
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