About how to write CSS horizontal and sub-level styles-CSS Tutorial-php.cn

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About how to write CSS horizontal and sub-level styles

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Jun 26, 2018 am 10:23 AM

css

This article mainly shares with you how to write CSS flat and son-level styles, which is more suitable for beginners. Friends who are learning CSS can refer to it

input:checked ol:This is about when inoput After it has checked, it is the same style owned by OL.
input:checked ol>li: The greater than in li: refers to the li style of the son's generation under the same level OL after inoput has checked, and the grandchild's generation will not inherit it.

Html code

<!DOCTYPE html> 
<html lang="zh-cn"> 
<head> 
<meta charset="utf-8" /> 
<title>用户界面(UI)元素状态伪类选择符 E:checked_CSS参考手册_web前端开发参考手册系列</title>  
<style type="text/css"> 
input[type=radio]:checked + span{background:blue;} 
input[type=radio]:checked + span:after{content:" 我被选中了";} 
input[type=checkbox]:checked + span{background:#f00;} 
input[type=checkbox]:checked + span:before{content:" 我被选中了";} 
p.classFather > p.classSon p.classSon{ 
background-color: lightgray; 
line-height: 40px; 
} 
p.classFather > p.classSon > p.classSonS > p.classSonC { 
background-color: lightgray; 
line-height: 40px; 
} 
</style> 
</head> 
<body> 
<form method="post" action="#"> 
<fieldset> 
<legend>选中下面的项试试</legend> 
<ul> 
<li><label><input type="radio" name="colour-group" value="0" /><span>蓝色</span></label></li> 
<li><label><input type="radio" name="colour-group" value="1" /><span>红色</span></label></li> 
<li><label><input type="radio" name="colour-group" value="2" /><span>黑色</span></label></li> 
</ul> 
</fieldset> 
<fieldset> 
<legend>选中下面的项试试</legend> 
<ul> 
<li><label><input type="checkbox" name="colour-group2" value="0" /><span>蓝色</span></label></li> 
<li><label><input type="checkbox" name="colour-group2" value="1" /><span>红色</span></label></li> 
<li><label><input type="checkbox" name="colour-group2" value="2" /><span>黑色</span></label></li> 
</ul> 
</fieldset> 
<fieldset> 
<legend>子节点样式</legend> 
<p class="classFather"> 
<p class="classSon">孩子 
<p class="classSon">孙子 
<p class="classSon">重孙子</p> 
</p> 
</p>
<p class="classSon">孩子 
<p class="classSonS">孙子 
<p class="classSonC">重孙子</p> 
</p> 
</p> 
</p> 
</fieldset> 
</form> 
</body> 
</html>

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