IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

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做第二个轮播时，指示符小点不显示

1

1

bottstrap

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div id="demo" class="carousel slide" data-ride="carousel">
 
  <!-- 指示符 -->
  	<ul class="carousel-indicators">
    <li data-target="#demo" data-slide-to="0" class="active"></li>
    <li data-target="#demo" data-slide-to="1"></li>
    <li data-target="#demo" data-slide-to="2"></li>
 	 </ul>
 
  <!-- 轮播图片 -->
  	<div class="carousel-inner">
    <div class="carousel-item active">
      <img class="img-fluid" src="backimage.png" alt="back">
      <div class="carousel-caption">	
    	<p>你作为一个初级菜鸟，你是否想要了解</p>
    	<h5><span class="text">50万</span>年薪的程序员，都会那些技能呢？</h5>
  		</div>
    </div>
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
  <ol class="carousel-indicators">
    <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
    <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
    <li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
  </ol>
 	<div class="carousel-inner">
     	<div class="carousel-item active">
			<div class="study">
				<p>优秀学员展示</p>
			</div>
	    	<div class="container text0">
			<div class="row">
			<div class="col-xs-12 col-sm-6 col-md-3 text-center">
				<img src="luo.png" alt="luo.png" class="avatar">
				<p class="text1">技术顾问：罗大佑</p>
				<p class="text2">百度技术总监：互联网基础服务领域，从事虚拟主机、云服务器、域名。曾任新网高级技术经理,负责技术研发、团队管理与建设。</p>
			</div>

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父元素没有高度，多个子元素居中的问题

1

1

居中布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

img {
    vertical-align: middle;
}

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文字环绕图片

1

1

浮动

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="kuaitou">
                            <div>
                                <img src="../images/zhiweitouxiang.jpg">
                            </div>
                            <div>
                                <h1>Web前端工程师</h1>
                                <p>
                                    Web前端开发工程师，主要职责是利用(X)HTML/CSS/JavaScript/flash等各种Web技术进行产品的开发。
                                </p>
                            </div>
                        </div>

该问题已被官方收录

样式受到挤压，导致并行。

2

1

属性 bottstrap 属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 <div class="row height">
        <div class="col-md-3 col-sm-6 box">
          <span class="circle-content">1</span>
          <p class="font">匹配你现在的个人情况 寻找适合自己的岗位</p>
          <span class="arrows"></span>
        </div>
        <div class="col-md-3 col-sm-6 box">
          <span class="circle-content">2</span>
          <p class="font">了解职业前景薪金待遇、 竞争压力等</p>
          <span class="arrows"></span>
        </div>
        <div class="col-md-3 col-sm-6 box">
          <span class="circle-content">3</span>
          <p class="font font-right">掌握行业内顶级技能</p>
          <span class="arrows"></span>
        </div>
        <div class="col-md-3 col-sm-6 box">
          <span class="circle-content">4</span>
          <p class="font font-right">查看职业目标任务</p>
          <span class="arrows"></span>
        </div>
      </div>

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能不能控制栅格的容量高度

3

1

bottstrap

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 <div class="row box7">
            <div class="col-xs-12 col-sm-6 col-md-3">
                
          <p>12</p>

            </div>
            <div class="col-xs-12 col-sm-6 col-md-3">

            </div>
            <div class="col-xs-12 col-sm-6 col-md-3">
 
            </div>
            <div class="col-xs-12 col-sm-6 col-md-3">
                
            </div>
        </div>

该问题已被官方收录

bootstrap轮播图，如何让图片铺满轮播框架

1

1

bottstrap 轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div id="myCarousel" class="carousel slide">
        <ol class="carousel-indicators">
            <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
            <li data-target="#myCarousel" data-slide-to="1"></li>
            <li data-target="#myCarousel" data-slide-to="2"></li>
        </ol>
        <div class="carousel-inner">
            <div class="item active">
                <img src="images/background-pic.png" class="carousel-img" alt="第一张"/>
            </div>
            <div class="item">
                <img src="images/background-pic.png" class="carousel-img" alt="第二张"/>
            </div>
            <div class="item">
                <img src="images/background-pic.png" class="carousel-img" alt="第三张"/>
            </div>
        </div>
        <a href="#myCarousel" data-slide="prev" class="carousel-control left">
            <span class="glyphicon glyphicon-chevron-left"> </span>
        </a>
        <a href="#myCarousel" data-slide="next" class="carousel-control right">
            <span class="glyphicon glyphicon-chevron-right"> </span>
        </a>
    </div>

该问题已被官方收录

关于任务八的Bootstrap4的栅格系统，在任务八的最底下有IMG图公众号什么

0

1

bottstrap

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.1.3/css/bootstrap.min.css">
    <!-- 新bootstrap4核心CSS组件 -->
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
    <!-- jquery组件 -->
    <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js"></script>
    <!-- popper.js组件 -->
    <script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
    <!-- bootstrap js核心组件 -->
    <link rel="stylesheet" type="text/css" href="./task8-1.css">
    <!-- 自己外部引用css文件 -->
</head>

<body>
    <header>
        <div class="container">
            <div class="row">
                <div class="col-4 call">客服热线：010-594-78634</div>
                <div class="col-8 box">
                    <button class="wx"></button>
                    <button class="qq"></button>
                    <button class="wb"></button>
                </div>
            </div>
        </div>
        <div class="dh">
            <div class="container">
                <div class="row">
                    <div class="col-xl">
                        <div class="navbar-brand">
                            <img src="./home-logo-hs.png">
                        </div>
                        <nav class="navbar navbar-default" role="navigation">
                            <!-- 导航栏 -->
                            <nav class="navbar navbar-expand-md bg-dark navbar-dark">
                                <!-- Brand -->
                                <a class="navbar-brand" href="#"></a>
                                <!-- Toggler/collapsibe Button -->
                                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
                                    <span class="navbar-toggler-icon"></span>
                                </button>
                                <!-- Navbar links -->
                                <div class="collapse navbar-collapse" id="collapsibleNavbar">
                                    <ul class="navbar-nav">
                                        <li class="nav-item">
                                            <a class="nav-link" href="#">首页</a>
                                        </li>
                                        <li class="nav-item">
                                            <a class="nav-link" href="#">职业</a>
                                        </li>
                                        <li class="nav-item">
                                            <a class="nav-link" href="#">推荐</a>
                                        </li>
                                        <li class="nav-item">
                                            <a class="nav-link" href="#">关于</a>
                                        </li>
                                    </ul>
                                </div>
                            </nav>
                        </nav>
                    </div>
                </div>
            </div>
            <div id="demo" class="carousel slide" data-ride="carousel">
                <!-- 指示符 -->
                <ul class="carousel-indicators">
                    <li data-target="#demo" data-slide-to="0" class="active"></li>
                    <li data-target="#demo" data-slide-to="1"></li>
                    <li data-target="#demo" data-slide-to="2"></li>
                </ul>
                <!-- 轮播图片 -->
                <div class="carousel-inner">
                    <div class="carousel-item active">
                        <img src="./0d9944f1-6aad-4894-b42e-72dadcfef058.png">
                        <div class="carousel-caption">
                        </div>
                    </div>
                    <div class="carousel-item">
                        <img src="./3a15425b-c947-4222-8558-0bf01cc36513.png">
                        <div class="carousel-caption">
                        </div>
                    </div>
                    <div class="carousel-item">
                        <img src="./87ae208e-8374-45a0-beb4-7ece0ec4f8be.jpg">
                    </div>
                </div>
                <!-- 左右切换按钮 -->
                <a class="carousel-control-prev" href="#demo" data-slide="prev">
                    <span class="carousel-control-prev-icon"></span>
                </a>
                <a class="carousel-control-next" href="#demo" data-slide="next">
                    <span class="carousel-control-next-icon"></span>
                </a>
            </div>
    </header>
    <main>
        <div class="container">
            <div class="row">
                <div class="col-md-3">
                    <div class="fa">
                        <!-- fire arrow 火箭缩写 -->
                    </div>
                    <!-- 雪碧图 -->
                    <h4>高效</h4>
                    <p class="introduce">将五到七年的成长时间，缩短 到一年到三年。</p>

                </div>
                <div class="col-md-3">
                    <div>
                        <div class="book"></div>
                        <!-- 雪碧图 -->
                        <h4>规范</h4>
                        <p class="introduce uk">标准的实战教程，不会走弯路</p>
                    </div>
                </div>

                <div class="col-md-3">
                    <div class="nce">
                        <!-- n. connection人脉的缩写 -->
                    </div>
                    <!-- 雪碧图 -->
                    <h4>人脉</h4>
                    <p class="introduce">同班好友，同院学长，技术大师，
                        入学就混入职脉圈</p>
                </div>
                <div class="col-md-3 ppp">
                    <div class="person"></div>
                    <!-- 雪碧图 -->
                    <span>12400</span>
                    <p class="introduce">累计在线学习人数</p>
                    <div class="person"></div>
                    <!-- 雪碧图 -->
                    <span>12400</span>
                    <p class="introduce">学员已经找到满意工作</p>
                </div>
            </div>
        </div>
        <!-- 上边部分 -->
        <div class="container ">
            <h3 class="text-center">如何学习</h3>
            <div class="row">
                <div class="col-md-3 col-sm-1">
                    <span class="circle ">1</span>
                    <p class="bid">匹配你现在的个人情况寻找适合自己的岗位</p>
                    <!-- brief introduction 简单介绍的缩写 -->
                    <div class="ra"></div>
                    <!-- 雪碧图right arrow右箭头 -->

                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">2</span>
                    <p class="bid">了解职业前景薪金待遇竞争压力等 </p>

                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">3</span>
                    <p class="bid">掌握行业内顶级技能</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">4</span>
                    <p class="bid">查看职业目标任务</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
            </div>
            <div class="row">
                <div class="col-md-3 col-sm-1">
                    <span class="circle">5</span>
                    <p class="bid">参考学习资源，掌握
                        技能点，逐个完成任务</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">6</span>
                    <p class="bid">加入班级，和小伙伴们
                        互帮互助，一块学习</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">7</span>
                    <p class="bid">选择导师，一路引导，
                        加速自己成长</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-md-3 col-sm-1">
                    <span class="circle">8</span>
                    <p class="bid">完成职业技能，升
                        级业界大牛</p>
                    <div class="ra"></div>
                    <!-- 雪碧图 -->
                </div>
            </div>
        </div>
        <!-- 中间第一部分 -->
        <div class="container zx">
            <h3 class="text-center student">优秀学员展示</h3>
            <div class="row">
                <div class="col-sm-2  col-sm-2 ldy1">
                    <div class="hp"></div>
                    <!-- 雪碧图head portrait  -->
                    <h4 class="si">技术顾问：罗大佑</h4>
                    <p class="introduce">百度技术总监：互联网基础
                        服务领域，从事虚拟主机、
                        云服务器、域名。曾任新网
                        高级技术经理，负责技术研
                        发、团队管理与建设。</p>
                </div>
                <div class="col-sm-2  col-sm-2 ldy1">
                    <div class="hp1"></div>
                    <!-- 雪碧图 -->
                    <h4 class="si">技术顾问：罗大佑</h4>
                    <p class="introduce">百度技术总监：互联网基础
                        服务领域，从事虚拟主机、
                        云服务器、域名。曾任新网
                        高级技术经理，负责技术研
                        发、团队管理与建设。</p>
                </div>
                <div class="col-sm-2  col-sm-2 ldy1">
                    <div class="hp2"></div>
                    <!-- 雪碧图 -->
                    <h4>技术顾问：罗大佑</h4>
                    <p class="introduce">百度技术总监：互联网基础
                        服务领域，从事虚拟主机、
                        云服务器、域名。曾任新网
                        高级技术经理，负责技术研
                        发、团队管理与建设。</p>
                </div>
                <div class="col-sm-2  col-sm-2 ldy1">
                    <div class="hp3"></div>
                    <!-- 雪碧图 -->
                    <h4 class="si">技术顾问：罗大佑</h4>
                    <p class="introduce">百度技术总监：互联网基础
                        服务领域，从事虚拟主机、
                        云服务器、域名。曾任新网
                        高级技术经理，负责技术研
                        发、团队管理与建设。</p>
                </div>
            </div>
            <div class="cb">
                <!-- circle1外部盒子 -->
                <span class="circle1"></span>
                <span class="circle1"></span>
                <span class="circle1"> </span>
                <span class="circle1"></span>
            </div>
            <!-- 底部圆形样式 -->
        </div>
        <div class="container cp">
            <!-- cooperation合作 -->
            <h3 class="text-center">战略合作企业</h3>
            <div class="row">
                <div class="col-sm-20% box4">
                    <div class="albb"></div>
                    <!-- 雪碧图 -->
                </div>
                <div class="col-sm-20% box4">
                    <div class="kcg"></div>
                    <!-- 雪碧图 Kingsoft Cloud Group金山云 -->
                </div>
                <div class="col-sm-20% box4">
                    <div class="ci"></div>
                    <!-- communication通讯 -->
                </div>
                <div class="col-sm-20% box4">
                    <div class="rlci"></div>
                </div>
                <div class="col-sm-20% box4">
                    <div class="storage"></div>
                </div>
            </div>
        </div>
        <div class="container buttonbox">
            <h3 class="text-center">友情链接</h3>
            <div class="row box5">
                <ul class="col-md-10% zoom list col-20%">
                    <li>手机软件</li>
                    <li>教师招聘</li>
                    <li>找工作</li>
                    <li>教师招聘</li>
                    <li>找工作</li>
                    <li>手机软件</li>
                    <li>教师招聘</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>找工作</li>
                    <li>手机软件</li>
                    <li>教师招聘</li>
                    <li>找工作</li>
                    <li>教师招聘</li>
                    <li>找工作</li>
                    <li>手机软件</li>
                    <li>教师招聘</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>找工作</li>
                </ul>
            </div>
            <!-- 中间下面部分 -->
    </main>
    <!-- 中心部分 -->
    <footer>
        <div class="container pll">
            <div class="row box7">
                <div class="col-sm-4 jns">
                    <span class="alter">技能树 — 改变你我</span>
                </div>
                <div class="col-sm-4">
                    <span class="alter">旗下网站</span>
                </div>
                <div class="col-sm-3">
                    <span class="alter">微信公众平台</span>
                    <div>
                        <img class="nb" src="./qrcode_for_gh_32213eeb65ba_1280.png">
                    </div>
                </div>
            </div>
        </div>
        <div class="container">
            <div class="row content-box6">
                <div class="col-sm-5 offset-4 footer-font">
                    <span class="alter">草船云孵化器</span>
                    <span class="alter">最强IT特训营</span>
                </div>
            </div>
        </div>
        <div class="container">
            <div class="row">
                <div class="col-sm-4 ">
                    <span class="alter">关于我们 | 联系我们 | 合作企业</span>
                </div>
                <div class="col-sm-4 irt">
                    <span class="alter ">葡萄藤轻游戏</span>
                    <span class="alter">桌游精灵</span>
                </div>
            </div>
        </div>
        <div class="message">
            <p class="oneself">Copyright © 2015技能树 www.jnshu.com All Rights Reserved | 京ICP备13005880号</p>
    </footer>
    <!-- 底部 -->
</body>

</html>

该问题已被官方收录

照片多余的怎么办？

2

1

通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<link rel="stylesheet" href="../css/task8.2.css">
<script src="http://how2j.cn/study/js/jquery/2.0.0/jquery.min.js"></script>
<link href="http://how2j.cn/study/css/bootstrap/3.3.6/bootstrap.min.css" rel="stylesheet">
<script src="http://how2j.cn/study/js/bootstrap/3.3.6/bootstrap.min.js"></script>
<div class="wrap">
    <div class="container">
        <div class="header-main">
            <span>客服热线：010-594-78634</span>
            <div class="vx">
                <img src="../img/task8...png"  alt="">
                <img src="../img/task.8..png" alt="">
                <img src="../img/task.81.png"  alt="">
            </div>
        </div>
    </div>
    <div class="navigation">
        <div class="container">
            <div class="option">
                <div class="page">首页</div>
                <div class="profession">职业</div>
                <div class="recommend">推荐</div>
                <div class="regard">关于</div>
            </div>
        </div>
    </div>
            <div class="item active ">
                <img src="../img/task.8.223.png" alt="...">
            </div>
    <div class="container">
        <span>首页</span>>
        <span class="firm">合作企业</span>
    </div>
</div>
</body>
</html>
*{
    margin: 0;
    padding: 0;
}
.wrap{
    background: #fafafa;
}
.header-main{
    width: 100%;
    color: #29b078;
    display: flex;
    justify-content:space-between ;
    margin-top:1rem;
    margin-bottom: 0.5rem;
}
.navigation{
    width: 100%;
    background: #29b078;
    height:9.4rem;
}
.xte{
    width: 100%;
}
.option{
    font-size: 2.5rem;
    display: flex;
    float: right;
    color: #ffffff;
    margin-top: 3.5rem;
}
.page{
    margin-right: 1.5rem;
}
.page:hover{
    color: #fff;
    background-color: transparent;
    border-bottom: 4px solid #fff;
    padding-bottom: 2.6rem;
}
.profession{
    margin-right: 1.5rem;
}
.profession:hover{
    color: #fff;
    background-color: transparent;
    border-bottom: 4px solid #fff;
    padding-bottom: 2.6rem;
}
.recommend{
    margin-right: 1.5rem;
}
.recommend:hover{
    color: #fff;
    background-color: transparent;
    border-bottom: 4px solid #fff;
    padding-bottom: 2.6rem;
}
.regard{
    margin-right: 1.5rem;
}
.regard:hover{
    color: #fff;
    background-color: transparent;
    border-bottom: 4px solid #fff;
    padding-bottom: 2.6rem;
}
.firm{
    color:#29b078;
}

该问题已被官方收录

轮播图中的背景图片和文字如何实现自适应

0

1

轮播自适应

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html：
<div id="demo" class="carousel slide" data-ride="carousel">
            <!-- 指示符 -->
            <ul class="carousel-indicators">
                <li data-target="#demo" data-slide-to="0" class="active"></li>
                <li data-target="#demo" data-slide-to="1"></li>
                <li data-target="#demo" data-slide-to="2"></li>
            </ul>
            <!-- 轮播图片 -->
            <div class="carousel-inner">
                <div class="carousel-item active">
                    <img src="img8/cover1.png">
                    <div class="carousel-caption">
                        <p>你作为一个初级菜鸟，你是否想要了解</p>
                        <p>50万的程序员，都会哪些技能呢？</p>
                    </div>
                </div>
                <div class="carousel-item">
                    <img src="img8/cover1.png">
                    <div class="carousel-caption">
                        <p>你作为一个初级菜鸟，你是否想要了解</p>
                        <p>50万的程序员，都会哪些技能呢？</p>
                    </div>
                </div>
                <div class="carousel-item">
                    <img src="img8/cover1.png">
                    <div class="carousel-caption">
                        <p>你作为一个初级菜鸟，你是否想要了解</p>
                        <p>50万的程序员，都会哪些技能呢？</p>
                    </div>
                </div>
            </div>
            <!-- 左右切换按钮 -->
            <a class="carousel-control-prev" href="#demo" data-slide="prev">
                <span class="carousel-control-prev-icon"></span>
            </a>
            <a class="carousel-control-next" href="#demo" data-slide="next">
                <span class="carousel-control-next-icon"></span>
            </a>

        </div>

css部分
.carousel img{
    width: 100%;
}
.carousel-indicators li {
    width: .1rem !important;
    height: .1rem !important;
    border-radius: 50%;
}
.carousel-caption p{
    font-size: .4rem;
}

该问题已被官方收录

导航栏四个按钮“首页、推荐。。。“当屏幕小于768px时折叠显示时顺序变了

1

1

响应式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<header>
        <!-- bootstrap折叠导航框架 -->
        <nav class="navbar navbar-default" style="background:#29b078; border-radius: 0;border-color: transparent;">
            <div class="container white-oval">
                <!--去除fluid以使得该行格式和首航一致， Brand and toggle get grouped for better mobile display -->
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"
                        aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="#" style="color: white">技能树|修真院</a>
                </div>

                <!-- Collect the nav links, forms, and other content for toggling -->
                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">


                    <ul class="nav navbar-nav navbar-right" style="text-align: center">
                        <li>
                            <a href="./task8-1.html" style="color: white">关于</a>
                            <div class="pink-row"></div>
                        </li>
                    </ul>

                    <ul class="nav navbar-nav navbar-right" style="text-align: center">
                        <li>
                            <a href="./task8-2.html" style="color: white">职业</a>
                            <div class="pink-row"></div>
                        </li>
                    </ul>

                    <ul class="nav navbar-nav navbar-right" style="text-align: center">
                        <li>
                            <a href="./task8-3.html" style="color: white">推荐</a>
                            <div class="pink-row"></div>
                        </li>
                    </ul>

                    <ul class="nav navbar-nav navbar-right" style="text-align: center">
                        <li>
                            <a href="./task8-1.html" style="color: white">首页</a>
                            <div class="pink-row"></div>
                        </li>
                    </ul>
                </div>
                <!-- /.navbar-collapse -->
            </div>
            <!-- /.container-fluid -->
        </nav>

        <!-- bootstrap折叠导航框架 -->

    </header>

去第页

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