generates content before or after an element

content: ***;

Browser
Firefox Opera

The content property generates content before or after an element.

This property is used with the "before" and "after" pseudo-elements.

p:before {
content: url(icon.gif);
}

p:after {
content: "Text";
}

Property Value Explanation
content string, URL, and other values generated content

The "before" and "after" pseudo-elements

before : Generates content before an element.
after : Generates content after an element.

When you specify the text
content: "Example";

When you specify the image etc
content: url(example.gif);
content: url(example.wav);

Example

<html>
<head>
<title>TAG index</title>

<style type="text/css">

p:before {
content: url(image/icon.gif);
}

p:after {
content: "[Not supported by MSIE]";
color: red;
}

</style>

</head>
<body>

<p>This is example text.</p>

</body>
</html>
Output

This is example text.