我的下拉菜单怎么没有出来

骑师 2018-12-13 18:13:35

[HTML讨论组]

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举报

*{margin: 0px; padding: 0px;}

.clear{clear: both;}

li {list-style: none;}

a{text-decoration: none; font-size: 15px; margin-left: 5px; color: #fff; line-height: 40px;  display: inline-block;

padding-left: 10px;padding-right: 10px; position: relative; }

.header

{  background-color: #105599}

.headermain

{width: 1200px;margin: 0px auto; height: 40px;} 

.headermain_l

{ float: left;}

.headermain_r

{

width: 550px; 

float: right;

}

.headermain_r a:hover

{

background-color: #0A2743;

}

.headermain_r ul

{

  height: 80px; width: 80px; position: absolute;

}

.headermain_r ul li

{

height: 30px;

}

哪位老师帮忙分析一下