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W3School-CSS 伪类 (Pseudo-classes) 实例_html/css_WEB-ITnose

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Release: 2016-06-24 11:28:38
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CSS 伪类 (Pseudo-classes) 实例

CSS 实例

  • CSS 背景实例
  • CSS 文本实例
  • CSS 字体(font)实例
  • CSS 边框(border)实例
  • CSS 外边距 (margin) 实例
  • CSS 内边距 (padding) 实例
  • CSS 列表实例
  • CSS 表格实例
  • 轮廓(Outline)实例
  • CSS 尺寸 (Dimension) 实例
  • CSS 分类 (Classification) 实例
  • CSS 定位 (Positioning) 实例
  • CSS 伪类 (Pseudo-classes)实例
  • CSS 伪元素 (Pseudo-elements)实例
  • 01超链接

    <!DOCTYPE html><html>    <head>        <meta charset="utf-8">        <title>01超链接</title>        <style type="text/css">            body {                background-color: #99CCFF;            }            a:link {                color: #CCCCCC;            }                        a:visited {                color: #666666;            }                        a:hover {                color: #ffffff;            }                        a:active {                color: #999999;            }        </style>    </head>    <body>        <p><b><a href="https://www.baidu.com/" target="_blank">百度首页</a></b></p>        <p><b>注释:</b>在 CSS 定义中,a:hover 必须位于 a:link 和 a:visited 之后,这样才能生效!</p>        <p><b>注释:</b>在 CSS 定义中,a:active 必须位于 a:hover 之后,这样才能生效!</p>        <img  src="love.jpg" alt="W3School-CSS 伪类 (Pseudo-classes) 实例_html/css_WEB-ITnose" >    </body></html>
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    02超链接2

    <!DOCTYPE html><html>    <head>        <meta charset="utf-8">        <title>02超链接2</title>        <style type="text/css">            body {                background-color: #99ccff;            }            a.one:link {color: #666;}            a.one:visited {color: #333;}            a.one:hover {color: #ffffff;}                        a.two:link {color: #666;}            a.two:visited {color: #333;}            a.two:hover {font-size: 150%;}                        a.three:link {color: #666;}            a.three:visited {color: #333;}            a.three:hover {background-color: #CCCCCC;}                            a.four:link {color: #666;}            a.four:visited {color: #333;}            a.four:hover {font-family: monospace;}                            a.five:link {color: #666;text-decoration: none;}            a.five:visited {color: #333;text-decoration: none;}            a.five:hover {text-decoration: underline;}                        </style>    </head>    <body>        <p><b><a class="one" href="https://www.baidu.com/" target="_blank">改变颜色</a></b></p>        <p><b><a class="two" href="https://www.baidu.com/" target="_blank">改变字体大小</a></b></p>        <p><b><a class="three" href="https://www.baidu.com/" target="_blank">改变背景颜色</a></b></p>         <p><b><a class="four" href="https://www.baidu.com/" target="_blank">As a man thinketh in his heart so is he!改变字体</a></b></p>        <p><b><a class="five" href="https://www.baidu.com/" target="_blank">改变文本装饰</a></b></p>    </body></html>
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    03超链接::focus 的使用

    <!DOCTYPE html><html>    <head>        <meta charset="utf-8">        <title>03超链接::focus 的使用</title>        <style type="text/css">            input:focus {                background-color: #ccc;            }        </style>    </head>    <body>        <form>            <p>First name:                <input type="text" />            </p>            <p>Last name:                <input type="text" />            </p>            <p>                <input type="submit" value="Submit" />            </p>        </form>    </body></html>
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    04 :first-child(首个子对象)

    <!DOCTYPE html><html>    <head>        <meta charset="utf-8">        <title>04:first-child(首个子对象)</title>        <style type="text/css">            p:first-child {                color: green;            }                        li:first-child {                text-transform: uppercase;            }        </style>    </head>    <body>        <div>            <p>These are the necessary steps:</p>            <ul>                <li>Intert Key</li>                <li>Turn key <strong>clockwise</strong></li>                <li>Push accelerator</li>            </ul>            <p>Do <em>not</em> push the brake at the same time as the accelerator.</p>        </div>    </body></html>
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    05 :lang(语言)

    <!DOCTYPE html><html>    <head>        <meta charset="utf-8">        <title>05 :lang(语言)</title>        <style type="text/css">            q:lang(no) {                quotes: "~" "~";            }        </style>    </head>    <body>        <p>:lang 伪类允许您为不同的语言定义特殊的规则。在下面的例子中,在下面的例子中,:lang 类为带有值为 "no" 的 lang 属性的 q 元素定义引号的类型:</p>        <p>一些文本 <q lang="no">段落中的引用</q> 一些文本。</p>    </body></html>
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    CSS 伪类 (Pseudo-classes) 总结

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