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CSS :first-child Selector

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The :first-child selector is used to select those elements which are the first-child elements. For :first-child selector the <!DOCTYPE> must be declared for IE8 and earlier versions.

Syntax: 

:first-child {
/* CSS property */
}

Example 1: 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>first child selector</title>
    <style>
        h1 {
            color: green;
        }
 
        p:first-child {
            background-color: green;
            color: white;
            font-weight: bold;
        }
 
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
    <p>GeeksforGeeks</p>
    <h1>GeeksforGeeks</h1>
    <h2>:first-child Selector</h2>
    <p>GeeksforGeeks</p>
    <div>
        <p>GFG</p>
        <p>Geeks</p>
    </div>
</body>
 
</html>


Output: 

Example 2: 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>first child selector</title>
    <style>
        h1 {
            color: green;
        }
 
        h1,
        h2 {
            text-align: center;
        }
 
        li:first-child {
            background: green;
        }
 
        body {
            width: 70%;
        }
    </style>
</head>
 
<body>
    <h1>GeeksforGeeks</h1>
    <h2>:first-child Selector</h2>
    <ul>
        <li>Data Structure</li>
        <li>Computer Network</li>
        <li>Operating System</li>
    </ul>
    <ol>
        <li>Java</li>
        <li>Ruby</li>
        <li>Pascal</li>
    </ol>
</body>
 
</html>


Output: 

Supported Browsers: 

  • Apple Safari 3.1 and above
  • Google Chrome 4.0 and above
  • Edge 12.0 and above
  • Firefox 3.0 and above
  • Opera 9.5 and above


Last Updated : 04 Aug, 2023
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