CSS | ::before selector

::before selector is used to add the same content multiple times before the content of other elements. This selector is same as ::after selector.

Syntax:

::before{
        content:
}

Below HTML/CSS code shows the functionality of ::before selector :

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code

<!DOCTYPE html>
<html>
  
<head>
    <style>
        p::before {
            content: " - Remember this";
            background-color: blue;
        }
    </style>
</head>
  
<body>
    <h3>After Selector</h3>
    <p>User ID: @dmor1</p>
    <p>Name: dharam</p>
</body>
  
</html>

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Output:

Supported Browsers

  • Google Chrome 4.0
  • Edge 9.0
  • Firefox 3.5
  • Safari 3.1
  • Opera 7.0
  • Note: Internet Explorer 8 and Opera 4-6 supports with single-colon.(:after)



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