HTML网页设计:导航栏

一、下拉导航栏


    
       *{
            padding: 0px;
            margin: 0px;
        }
        .nav{
            width: 100%;
            height: 60px;
            background-color: black;
        }
        .ul_one{
            background-color: crimson;
            /* width: 80%; */
            width: 1200px;
            height: 60px;
            margin: 0 auto;
        }
        .ul_two{
            display: none;
        }
        .li_one:hover .ul_two{
            display: block;
            background-color: cadetblue;
        }
        .li_one{
            width: 200px;
            height: 60px;
            line-height: 60px;
            text-align: center;
            float: left;
            background-color: cadetblue;
            /* border-right: 1px solid white; */
        }
        .li_one:hover{
            background-color: bisque;
        }
        .li_one_right{
            border-right: none;
        }
        .ul_two li:hover{
            background-color: bisque;
        }
        li{
            list-style: none;
        }
        a{
            display: block;
            text-decoration: none;
        }

二、侧拉导航栏


    
    

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