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Home Web Front-end HTML Tutorial Margin problem of nested ul in li, please ask a master_html/css_WEB-ITnose

Margin problem of nested ul in li, please ask a master_html/css_WEB-ITnose

Jun 24, 2016 am 11:46 AM


I have a ul nested in the fourth li in the picture. When setting the background color of the li in the nested ul, I cannot always nest all the nested uls into the li.
How to solve it?


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The fourth li display: table;

Set ul, li padding: 0

The fourth li display: table;


<html lang='en'>	<head>		<meta charset='utf-8'>		<title>ul-study</title>		<style type="text/css">		.ul-01{list-style-type: none;}		.ul-01>li{float: left;margin: 5px;padding: 3px 10px; background-color: red;cursor: pointer;border-radius: 5px;}		.ul-02{list-style-type: none;margin: 0px;}		.ul-02>li{margin: 3px 0px;mbackground-color: blue;padding: 0px 10px;width: 100%;background-color: blue;}		</style>		<script type="text/javascript">			window.onload=function(){				var ulss=document.getElementById('ul-02-s');				function lish(para){					var lis=document.getElementsByName('lis');					for(var i=0;i<lis.length;i++){						lis[i].style.display=para;					}				}				ulss.onmouseover=function(){					lish("block");				}				ulss.onmouseout=function(){					lish("none");				}			}		</script>	</head>	<body>		<ul class='ul-01'>			<li>bbb</li>			<li>aaa</li>			<li>ccc</li>			<li style='padding:0px 0px;display:table;'>				<ul class='ul-02' id='ul-02-s'>					<li>请选择</li>					<li class='li-sh' name='lis'>111</li>					<li class='li-sh' name='lis'>222</li>					<li class='li-sh' name='lis'>333</li>				</ul>			</li>		</ul>	</body></html>
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This is the code, display=table still doesn’t work

Set ul, li padding:0


No, I tried

.ul-02>li{margin: 3px 0px;mbackground-color: blue;padding: 0px 10px;background-color: blue;}

  • ccc




  • Remove width

    Set pdding: 0; it can be solved, or you can set ul to width or percentage, so that li can be changed at will

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