根本就不行,VM1814:1 Uncaught TypeError: Cannot read property 'parentNode' of undefined
2016-08-21
li{list-style:none;float:left;margin:0 5px;}
a{text-decoration:none;display:block;background-color:#bE3948;padding:5px;}
a:link,a:visited{color:black;background-color:#FFF;}
a:hover{color:#FFF;background-color:#bE3948;}
<ul><li><a href="">全部</a></li></ul>
a{text-decoration:none;display:block;background-color:#bE3948;padding:5px;}
a:link,a:visited{color:black;background-color:#FFF;}
a:hover{color:#FFF;background-color:#bE3948;}
<ul><li><a href="">全部</a></li></ul>
li{list-style-type:none;margin:5px;margin:10px;}
em{width:20px;
height:16px;
text-align:center;
font-style:normal;
color:#333;
background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg) no-repeat bottom; float:left;}
.top em{background-position:top; color:#eee;}
em{width:20px;
height:16px;
text-align:center;
font-style:normal;
color:#333;
background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg) no-repeat bottom; float:left;}
.top em{background-position:top; color:#eee;}
最新回答 / qq_隔壁少年郎_0
你试试把破茧成蝶后的横线换成--,视频里效果图是俩横线,中文输入一条横线等同于两个-。也就是说,你实际上输入了4个- ,所以本来设定好的宽度就不够了,只能挤到下一行
2016-08-18