http://img.mukewang.com/5da0470c0001266411060156.jpg
请问为什么我的二级导航没有浮动起来
http://img2.mukewang.com/5da0462a00010b2309050139.jpg
给定ul宽度的时候才浮起来了 我的一级导航栏不要定宽度也能浮动起来啊这是为什么。哪些错了求解。
<style type="text/css">
li,ul {
list-style: none;
padding: 0;
margin: 0;
}
.nav{
margin-top: 20px;
height: 44px;
background: linear-gradient(114deg,#00d0d4 5%,#00c5c3 51%,#9effa4 100%);
}
.nav .nav_li_div{
position: relative;
height: 44px;
margin: 0 auto;
font-size: 16px;
font-weight: bold;
}
.nav .nav_li_div .nav_li{
position: relative;
float: left;
height: 44px;
width: 60px;
text-align: center;
line-height: 44px;
}
.nav .nav_li_div .nav_li a{
display: block;
height: 44px;
text-decoration: none;
color: white;
}
.nav .nav_li_div .nav_li:hover{
text-decoration: none;
color: white;
background: #00BCD4;
}
.nav .nav_li_div .nav_li_active{
background: #00BCD4;
}
.nav_tag_local{
position: absolute;
top: -10px;
left: 545px;
z-index: 2;
}
.nav .nav_li_div .nav_li .second_nav_div{
background: white;
border: 1px solid #00bcd4;
position: absolute;
height: 44px;
top: 42px;
font-size: 14px;
z-index: 2;
display: block;
/* display: none; */
}
.nav .nav_li_div .nav_li .second_nav_div li{
float: left;
height: 42px;
}
.nav .nav_li_div .nav_li .second_nav_div li a{
font-size: 12px;
text-align: center;
color: #666;
width: 80px;
height: 42px;
display: block;
line-height: 42px;
text-decoration: none;
}
.nav .nav_li_div .nav_li .second_nav_div li:hover{
background: #E0F7FA;
}
</style>
