• 前端5_百度页面添加二级菜单_210905


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        <title>百度一下,你就知道</title>
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        <style>
        /*a:link {*/
        a {
        color:rgb(34, 34, 34);
        text-decoration: none;
        font-size:13px;
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        /* a:link 点击悬浮*/
        a:visited {
            text-decoration: none;
        }
        a:hover {
            color:rgb(49, 94, 251);
            text-decoration: none;
        }
        a:active {
            text-decoration: none;
        }
    
        /* 灰色的链接a:link */
        .a_grey {
            color:rgb(187, 187, 187);
            text-decoration: none;
            font-size:13px;
        }
        /* 灰色a:link 点击悬浮*/
        .a_grey:active {
            text-decoration: none;
        }
        .a_grey:visited {
            text-decoration: none;
        }
        .a_grey:hover {
            color:rgb(34, 34, 34);
            text-decoration: none;
        }
    
    
        /*按钮类型*/
        .button1 {
            background-color: rgb(78, 110, 242);
            border: none;
            color: white;
    
        } /* Blue */
        .button1:hover{
            box-shadow: inset 0 -4px 0 0 rgba(0,0,0,0.6), 0 0 8px 0 rgba(0,0,0,0.5);
        }
        .button1:active{
            position: relative;
            top: 4px;
            box-shadow: inset 0 3px 5px 0 rgba(0,0,0,0.2);
            outline: 0;
        }
        .button1:focus{
            outline: 0;
        }
    
        /*//处理块元素中的空白符和换行符的,这个属性保证图片不换行*/
        /*ul{*/
        /*    !*display:block;*!*/
        /*    !*overflow:hidden;*!*/
        /*    white-space:nowrap;*/
        /*}*/
    
        .Secondary_menu ul{
            list-style-type: none;
        }
        .Secondary_menu ul li{
            /*float:left;*/
            /*以下设置仅为方便查看效果*/
            /*50px;*/
            /*height:20px;*/
            /*border:1px solid black;*/
            /*text-align: center;*/
    
            /*float:left;*/
            width: 260px;
            line-height: 20px;
            background-color: #EFF;
            color: white;
            text-align: center;
            border: 1px solid #ccc;
            border-top: none;
    
        }
        .Secondary_menu ul ul{
            display: none;
        }
        .Secondary_menu ul:hover ul{
            display:block;
        }
    
        /* 右侧悬浮 */
        .right_hover{
            width:143px;
            height:349px;
            float: right;
            left:80%;
            position:fixed;
            top:0%;
        }
    
        /*li {*/
        /*    display:inline*/
        /*}*/
        /*ul li{*/
        /*    display: inline;*/
        /*    list-style-type: none;*/
        /*    padding: 5px 5px;}*/
        .right {
            float: right;
            width: 300px;
            border: 3px solid #73AD21;
            padding: 10px;
        }
    
        /* 定位某一个相对位置 */
        .container {
            position: absolute;
        }
    
        .parallel_right {
            position: relative;
            top: -40px;
            left: 200px;
            font-size: 18px;
        }
        </style>
    
    
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         <a href="#" style="color:black;text-decoration:none;">新闻</a>
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            <a href="#">学术</a>
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  • 原文地址:https://www.cnblogs.com/Doner/p/15258157.html
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