html>
二级菜单*{
margin: 0px;
padding: 0px;
}
ul{
font-size: 18px;
color: white;
list-style-type: none;
text-align: center;
width: 200px;
line-height: 40px;
background-color: black;
position: relative;
}
a{
color:white;
text-decoration: none;
}
li{
border-bottom: 1px dotted white;
}
li:last-child{border: none;}
ul>li>ol{
display: none;
list-style-type: none;
width: 200px;
background-color: gray;
position: absolute;
left: 200px;
}
ul>li>ol>li{
border-bot
