• 使用absolute实现的后台布局,包括小图标定位,菜单弹出等完整版


    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <link rel="stylesheet" href="font-awesome-4.7.0/css/font-awesome.css"/>
        <style>
            .pg-header{
                height: 48px;
                background-color: #1d9ad6;
                color: white;
                min- 1180px;
                line-height: 48px;
            }
            .pg-header .icon{
                padding: 0px 20px;
                font-size: 20px;
            }
            .pg-header .icon .span{
                display: inline-block;
                line-height: 2px;
                border-radius: 50%;
                /* 20px;*/
                /*height: 20px;*/
                padding: 10px;
                background-color: red;
            }
            .pg-header .icon:hover{
                 background-color: #3bae56;
            }
            .pg-content{}
            .pg-footer{}
            .pg-content .menu{
                  position: absolute;
                  top:48px;
                  left:0;
                  bottom: 0;
                   200px;
                  background-color:red ;
            }
            .pg-content .content{
                position: absolute;
                /*background-color: green;*/
                top: 48px;
                right: 0;
                bottom: 0;
                left: 200px;
                min- 980px;
                overflow: auto;
                z-index: 10;
            }
            .left{
                float:left;
            }
            .right{
                float: right;
            }
            .pg-header .logo{
                 200px;
                background-color: blue;
                text-align: center;
            }
            .pg-header .user{
                 100px;
                height: 48px;
                background-color: blue;
                margin-right:60px;
                /*text-align: center;*/
            }
            .pg-header .user:hover{
    
                background-color: white;
                /*text-align: center;*/
            }
            .pg-header .user:hover .b{
                display: block;
                /*text-align: center;*/
            }
            .pg-header .user .a img {
                 40px;height: 40px;margin-top:5px;border-radius: 50%;
            }
            .pg-header .user .b {
                position: absolute;top: 48px;right: 0;background-color: white;color:black;z-index: 20;
                display: none;
    
            }
            .pg-header .user .b .a{
                display: block;
                 100px;
            }
    
        </style>
    </head>
    <body style="margin: 0">
            <div class="pg-header">
                <div class="logo left">
                    大世界
                </div>
                <div class="user right" style="position: relative">
                    <a  class="a" href="#">
                        <img  src="网页前标1.jpg" />
                    </a>
                    <div class="b" >
                        <a class="a">东临碣石</a>
                        <a class="a">东临碣石</a>
                    </div>
                </div>
                <div class="icon right">
                   <i  class="fa fa-envelope-open-o"></i>
                    <span>5</span>
                </div>
                <div class="icon right">
                   <i class="fa fa-flag "></i>
                    <span class="span">5</span>
                </div>
            </div>
            <div class="pg-content">
                <div class="menu left">asd</div>
                <div class="content left" >
                    <div style="background-color: #2f96b4">
                    <p style="margin: 0">asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p>
                    <p>asd</p><p>asd</p><p>asd</p><p>asd</p><p>asd</p></div>
                </div>
            </div>
            <div class="pg-footer"></div>
    </body>
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/qiangayz/p/8725789.html
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