css attribute selector example-CSS Tutorial-php.cn

css attribute selector example

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Release： 2018-06-28 17:07:45

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>2.属性选择器</title>
<style type="text/css">

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/*Element selector*/

ul {   
padding: 0;
margin: 0;
width: 450px;
border: 1px dashed #666;
padding: 10px 5px;
}
ul:after {  /*子块撑开父块*/
content:&#39;&#39;;  /*在子元素尾部添加空内容元素*/
display: block;  /*并设置为块级显示*/
clear:both;   /*清除二边的浮动*/
}
li { 
list-style: none; /*去掉默认列表项样式*/
float: left;  /*左浮动*/
width: 40px;  /*设置宽度*/
height: 40px; /*设置高度*/
line-height: 40px; /*文本垂直居中*/
text-align: center; /*文本水平居中*/
border-radius: 50%; /*设置边框圆角*/
background: skyblue; /*背景色天蓝*/
margin-right: 5px; /*每个球之间的右外边距*/
}

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/*Select based on attribute name: For example, id attribute*/

*[id] {   /*等价于:  li[id]*/
/*background-color: red;*/
}

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/*Select based on attribute name and value: For example, select Elements with class="green"*/

li[class="green"] {
/*background-color: lightgreen;*/
}

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/*Select elements whose class attribute value includes the specified word*/

li[class ~= "red"] {
background-color: brown;
}

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/*Select the class class style starting with the letter 'ph' Element */

li[class ^= "ph"] {
background-color: coral;
}

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/*Selects class style elements ending with 's'*/

li[class $= "s"] {
background-color: lime;  /*青绿*/
}

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/*Selects class style elements whose attribute value includes the specified letter 'e':;*/

li[class *= "e"] {
background-color: yellowgreen;  /*234背景为黄绿色*/
}
</style>
</head>
<body>
<ul>
<li id="item1">1</li>
<li>2</li>
<li class="green red">3</li>
<li>4</li>
<li>5</li>
<li id="item2">6</li>
<li>7</li>
<li class="php css">8</li>
<li>9</li>
<li>10</li>
</ul>
</body>
</html>

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