Detailed introduction to the usage of CSS sub-element selector-CSS Tutorial-php.cn

Detailed introduction to the usage of CSS sub-element selector

高洛峰

Release： 2017-03-07 14:40:54

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The basic sub-element selector can only search downwards one level at a time, and cannot cross

HTML code:

<p>
    this is my <strong><i>w</i>eb</strong> page.   
</p>

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CSS code:

p>strong { color: purple; } p>strong>i { font-size: 50px; }

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1. Compared with the descendant selector, the child element selector can only select elements that are child elements of an element.

2. The sub-element selector uses the greater than sign ">" as the connector.

Example 1:

<html>

<head>
    <style type="text/css">
        h1 > strong {   
            color: red;   
        }   
    </style>
</head>

<body>
    <h1>This is <strong>very</strong> <strong>very</strong> important.</h1>
    <h1>This is <em>really <strong>very</strong></em> important.</h1>
</body>

</html>

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Detailed introduction to the usage of CSS sub-element selector

##Example 2

<html>

<head>
    <style type="text/css">
        table.company td > p {   
            color: red;   
        }   
    </style>
</head>

<body>
    <table class=&#39;company&#39;>
        <tr>
            <td>
                <p>hello</p>
            </td>
        </tr>
    </table>
    <table>
        <tr>
            <td>
                <p>world</p>
            </td>
        </tr>
    </table>
</body>

</html>

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Detailed introduction to the usage of CSS sub-element selector