这里ul的class定义了吗？
百兽凯多00
2017-03-07 20:18
<ul class="clearfix unstyled drop-menu">
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2回答
-
- 慕仰1053334
- 2017-05-08 11:05:24
最前面引入了外部的css
.clearfix:before, .clearfix:after {
content:"";
display:table;
}
.clearfix:after{
clear:both;
overflow:hidden;
}
.clearfix{
zoom:1;
} -
- 慕侠4409898
- 2017-03-08 04:27:39
该位置的class是定义的，多个class之间使用空格进行分割；
<ul class="clearfix unstyled drop-menu">
这么写，相当于选择器.clearfix .unstyled .drop-menu 三个设置的样式都会对该元素ul生效
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