Android程序员学WEB前端(6)-CSS(1)-选择器-Sublime

2022-07-12 12:34:24

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CSS外部文档链接：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>CSS基础-外部文档链接</title>
    <link rel="stylesheet" type="text/css" href="style.css">
    <style type="text/css">
        p{color:blue;text-align: center; }
        h1{color:#999999;font-size:12px ;text-align: center; }
    </style>
</head>
<body>
    <p>我是段落</p>

    <p style="color:black;text-align:right">我是另一个段落</p>

    <h1>我是标题</h1>
</body>
</html>

通配选择器 标签选择器：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>通配选择器 标签选择器</title>
    <style type="text/css">
        /*通配选择器*/
        *{color:#999999;font-size:12px ;text-align: center; }
        /*标签选择器*/
        h1{color:#000000;width: 200px;height: 200px;border: 1px solid red;font-size:20px ;text-align: center; }
    </style>
</head>
<body>
    <p>我是段落</p>
    <h1>我是标题</h1>
    <ul>
        <li>我是列表</li>
        <li>我是列表</li>
        <li>我是列表</li>
    </ul>
</body>
</html>

类选择器：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>类选择器</title>
    <style type="text/css">
        /*类选择器*/
        .tag01{color:red;font-size:22px ;text-align: center;}
        .tag02{list-style-type: none;}
    </style>
</head>
<body>
    <p class="tag01">我是段落</p>
    <h1>我是标题</h1>
    <ul>
        <li class="tag01 tag02">我是列表</li>
        <li>我是列表</li>
        <li>我是列表</li>
    </ul>
</body>
</html>

ID选择器：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>ID选择器</title>
    <style type="text/css">
        /*ID选择器*/
        #tag_01{color:red;font-size:22px ;text-align: center;}
    </style>
</head>
<body>
    <p id="tag_01">我是段落</p>
    <h1>我是标题</h1>
    <ul>
        <li>我是列表</li>
        <li>我是列表</li>
        <li>我是列表</li>
    </ul>
</body>
</html>

群组选择器：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>群组选择器</title>
    <style type="text/css">
        /*群组选择器*/
        li,td,tag1,#tag_1{color:blue;font-size:22px ;text-align: center;}
    </style>
</head>
<body>
    <p class="tag1">我是段落</p>
    <h1 id="tag_1">我是标题</h1>
    <ul>
        <li>我是列表</li>
        <li>我是列表</li>
        <li>我是列表</li>
    </ul>
</body>
</html>

后代选择器： 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>后代选择器</title>
    <style type="text/css">
        /*后代选择器*/
        /*table tr td div p a*/
        table a{text-decoration: none;color: red;font-size: 3cm;}
    </style>
</head>
<body>
    <table>
        <tr>
            <td>
                <div>
                    <p>
                        <a href="http://www.baidu.com">百度</a>
                    </p>
                </div>
            </td>
        </tr>
    </table>
</body>
</html>

子代选择器： 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>子代选择器</title>
    <style type="text/css">
        /*子代选择器*/
        tr > td{text-decoration: none;color: red;font-size: 3cm;}
    </style>
</head>
<body>
    <table>
        <tr>
            <td>我是td</td>
        </tr>
    </table>
</body>
</html>

属性选择器： 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>属性选择器</title>
    <style type="text/css">
        /*属性选择器*/
        /*img[title]{border: 1px;width: 200px;height: 100px;}*/
        /*img[title][id]{border: 1px;width: 200px;height: 100px;}*/
        img[title][id=tag01]{border: 1px;width: 200px;height: 100px;}
    </style>
</head>
<body>
    <img src="" alt="" title="image01" id="tag01">
    <img src="" alt="" title="image01" id="tag02">
    <img src="" alt="" title="image02" class="tag02">
    <p>我是段落</p>
    <h1>我是标题</h1>
</body>
</html>

相邻兄弟选择器： 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>相邻兄弟选择器</title>
    <style type="text/css">
        /*相邻兄弟选择器*/
        /*td + td{color: red;}*/
        .tag01 + .tag02{color: red;}
    </style>
</head>
<body>
    <table>
        <tr>
            <td class="tag01">我是td1</td>
            <td class="tag02">我是td2</td>
        </tr>
        <tr>
            <td>我是td3</td>
            <td>我是td4</td>
        </tr>
    </table>
</body>
</html>

转载请注明出处：http://blog.csdn.net/iwanghang/article/details/76576469

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