CSS :first-child Selector

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>w3wiki</p>
    <h1>w3wiki</h1>
    <h2>:first-child Selector</h2>
    <p>w3wiki</p>
    <div>
        <p>GFG</p>
        <p>Beginner</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>w3wiki</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

Tags:

#CSS-Selectors #CSS #Web Technologies

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