<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8" />
<title>用戶界面(UI)元素狀態偽類選擇符 E:checked_CSS參考手冊_web前端開發參考手冊系列</title>
<style type="text/css">
input[type=radio]:checked + span{background:blue;}
input[type=radio]:checked + span:after{content:" 我被選中了";}
input[type=checkbox]:checked + span{background:#f00;}
input[type=checkbox]:checked + span:before{content:" 我被選中了";}
div.classFather > div.classSon div.classSon{
background-color: lightgray;
line-height: 40px;
}
div.classFather > div.classSon > div.classSonS > div.classSonC {
background-color: lightgray;
line-height: 40px;
}
</style>
</head>
<body>
<form method="post" action="#">
<fieldset>
<legend>選中下面的項試試</legend>
<ul>
<li><label><input type="radio" name="colour-group" value="0" /><span>藍色</span></label></li>
<li><label><input type="radio" name="colour-group" value="1" /><span>紅色</span></label></li>
<li><label><input type="radio" name="colour-group" value="2" /><span>黑色</span></label></li>
</ul>
</fieldset>
<fieldset>
<legend>選中下面的項試試</legend>
<ul>
<li><label><input type="checkbox" name="colour-group2" value="0" /><span>藍色</span></label></li>
<li><label><input type="checkbox" name="colour-group2" value="1" /><span>紅色</span></label></li>
<li><label><input type="checkbox" name="colour-group2" value="2" /><span>黑色</span></label></li>
</ul>
</fieldset>
<fieldset>
<legend>子節點樣式</legend>
<div class="classFather">
<div class="classSon">孩子
<div class="classSon">孫子
<div class="classSon">重孫子</div>
</div>
</div>
<div class="classSon">孩子
<div class="classSonS">孫子
<div class="classSonC">重孫子</div>
</div>
</div>
</div>
</fieldset>
</form>
</body>
</html>
