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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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如何使用CSS实现下拉响应式导航栏并且有滑动效果

1

1

导航栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<nav>
    <div class="nav clearfix">
      <div class="nav-header">
        <div class="nav-logo">
          <img src="./resource/jnshu-logo.png">
        </div>
      </div>
      <div class="list-wrapper">
        <input type="checkbox" class="input-btn" id="nav-button" checked>
        <label class="nav-btn" for="nav-button">
          <div class="nav-bar"></div>
          <div class="nav-bar"></div>
          <div class="nav-bar"></div>
        </label>
        <ul>
          <li class="home">
            <a href="">首页</a>
          </li>
          <li class="recommand">
            <a href="">推荐</a>
          </li>
          <li class="regarding">
            <a href="">关于</a>
          </li>
          <li class="help">
            <a href="">帮助</a>
          </li>
        </ul>
      </div>
    </div>
  </nav>

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使用sass后用占位符%后设置媒体查询报错

0

1

占位符响应式 Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

%icon {  transition: background-color ease .2s;  margin: 0 .5em;}

@media screen { 

     .info-icon {    @extend %icon;  }

}

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css实现纯轮播图时轮播的图片如何与左右按钮绑定，实现点击图片轮转？

0

1

轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="boxx7">

      <div class="boxx7-1"><
        <label for="lunbo1"></label>
        <label for="lunbo2"></label>
        <label for="lunbo3"></label>
      </div>



        <input type='radio' id='lunbo1' name="only">
        <input type='radio' id='lunbo2' name="only">
        <input type='radio' id='lunbo3' name="only">
        <ul class="boxx7-2">
          <li class="boxx7-3"><img src="background-pic1.jpg" style="width: 100vw;"></li>
          <li class="boxx7-3"><img src="background-pic2.jpg" style="width: 100vw;"></li>
          <li class="boxx7-3"><img src="background-pic3.jpg" style="width: 100vw;"></li>
        </ul>

     </div>

/*轮播图开始*/
.boxx7{
  overflow: hidden;
  width: 100%;
}
.boxx7-1{
  position: absolute;
  top: 12rem;
  margin: 1.5rem 0;
  font-size: 4rem;
}
.boxx7-2{
  padding: 0;
  width: 300vw;
  list-style: none;
  transition: 0.5s ease-out;
}
.boxx7-3{
  float: left;
}

     input:nth-of-type(1):checked ~ ul{
            margin-left: 0%;
        }

        #lunbo2:checked ~ ul{
            margin-left: -100%;
        }

        #lunbo3:checked ~ ul{
            margin-left: -200%;
        }

 /*当radio选中后，相应的下一个左箭头移动到图片的上层以供点击*/
        input:nth-of-type(1):checked ~ .boxx7-1 label:nth-of-type(2)
        input:nth-of-type(2):checked ~ .boxx7-1 label:nth-of-type(3)
        input:nth-of-type(3):checked ~ .boxx7-1 label:nth-of-type(1)

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任务十四的自动轮播图用纯css怎么实现？

0

1

轮播

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">
      <meta http-equiv="X-UA-Compatible" content="ie=edge">
      <title>技能树首页</title>
      <link rel="stylesheet" href="all-style.css">
</head>

<body>
      <!-- 页眉 -->
      <header class="container spb">
            <span class="ma0 wsn">客服热线:010-233-233333</span>
            <div class="ma0 wsn">
                  <img src="image/wechat.png" alt="">
                  <img src="image/qq.png" alt="">
                  <img src="image/wb.png" alt="">
            </div>
      </header>
      <!-- 导航栏主体 -->
      <nav class="container nav-main spb">
            <a href="task14-1.html" class="ma0">
                  <img src="image/logo.png" alt="">
            </a>
            <div class="btn-group">
                  <a href="task14-1.html" class="tac">首页</a>
                  <a href="task14-2.html" class="tac">职业</a>
                  <a href="task14-3.html" class="tac">推荐</a>
                  <a href="task14-3.html" class="tac">关于</a>
            </div>
      </nav>
      <!--响应式下拉菜单-->
      <div class="hb">
            <img src="../task7/images/icon-2.png" alt="">
            <ul class="tac">
                  <li>
                        <a href="task14-1.html">首页</a>
                  </li>
                  <li>
                        <a href="task14-2.html">职业</a>
                  </li>
                  <li>
                        <a href="task14-3.html">推荐</a>
                  </li>
                  <li>
                        <a href="task14-1.html">关于</a>
                  </li>
            </ul>
      </div>

      <section class="slider-contaner">
            <ul class="slider">
                  <li class="slider-item slider-item1"></li>
                  <li class="slider-item slider-item2"></li>
                  <li class="slider-item slider-item3"></li>
                  <li class="slider-item slider-item4"></li>
                  <li class="slider-item slider-item5"></li>
            </ul>
            <div class="focus-container">
                  <ul class="floatfix">
                        <li>
                              <div class="focus-item focus-item1"></div>
                        </li>
                        <li>
                              <div class="focus-item focus-item2"></div>
                        </li>
                        <li>
                              <div class="focus-item focus-item3"></div>
                        </li>
                        <li>
                              <div class="focus-item focus-item4"></div>
                        </li>
                        <li>
                              <div class="focus-item focus-item5"></div>
                        </li>
                  </ul>
            </div>
            <div class="arrow-left"></div>
            <div class="arrow-right"></div>
      </section>
      <!--内容主题-->
      <main class="container">
            <!--第一模块-->
            <div class="md1">
                  <div class="cpt1">
                        <div class="juc">
                              <img src="image/icon-1.png" alt="">
                        </div>
                        <h4>高效</h4>
                        <p>将五到七年时间，缩短到一年到三年。</p>
                  </div>
                  <div class="cpt1">
                        <div class="juc">
                              <img src="image/icon-2.png" alt="">
                        </div>
                        <h4>规范</h4>
                        <p>标准的实战教程，不会走弯路。</p>
                  </div>
                  <div class="cpt1">
                        <div class="juc">
                              <img src="image/icon-3.png" alt="">
                        </div>
                        <h4>人脉</h4>
                        <p>同班好友，同院学长，技术大师，入学就混入职脉圈，为以后铺平道路。</p>
                  </div>
                  <div class="cpt1-2">
                        <p>
                              <img src="image/user.png" alt="">  12400</p>
                        <p>累积在线人数</p>
                        <br>
                        <p>
                              <img src="image/user.png" alt="">  12400</p>
                        <p>学员已找到满意工作</p>
                  </div>
            </div>
            <!--第二模块-->
            <h4 class="tac">如何学习</h4>
            <div class="md2">
                  <div class="cpt2">
                        <div>1</div>
                        <p>匹配你现在的个人情况，寻找适合的岗位</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>2</div>
                        <p>了解职业前景薪金待遇，竞争压力等</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>3</div>
                        <p>掌握行业内顶级技能</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>4</div>
                        <p>查看职业目标任务</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>5</div>
                        <p>参考学习资源，掌握技能点，逐个完成任务</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>6</div>
                        <p>加入班级，和小伙伴们互帮互助，一起学习</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>7</div>
                        <p>选择导师，一路引导，加速自己成长</p>
                        <img src="image/arrow.png" alt="">
                  </div>
                  <div class="cpt2">
                        <div>8</div>
                        <p>完成职业技能，升级业界大牛</p>
                        <img src="image/arrow.png" alt="">
                  </div>
            </div>
            <!--第三模块-->
            <h4 class="tac">优秀学员展示</h4>
            <div class="md3">
                  <div class="brs tac">
                        <img src="image/Avatar-1.png" alt="">
                        <h4 class="tac">技术总监：罗大佑</h4>
                        <p class="tal">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="brs tac">
                        <img src="image/Avatar-2.png" alt="">
                        <h4 class="tac">技术总监：罗大佑</h4>
                        <p class="tal">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="brs tac">
                        <img src="image/Avatar-3.png" alt="">
                        <h4 class="tac">技术总监：罗大佑</h4>
                        <p class="tal">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="brs tac">
                        <img src="image/Avatar-4.png" alt="">
                        <h4 class="tac">技术总监：罗大佑</h4>
                        <p class="tal">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>
            <!--第四模块-->
            <h4 class="tac">战略合作企业</h4>
            <div class="md4">
                  <img src="image/alibaba.png" alt="">
                  <img src="image/js.png" alt="">
                  <img src="image/hx.png" alt="">
                  <img src="image/rl.png" alt="">
                  <img src="image/qiniu.png" alt="">
            </div>
      </main>
      <!--第五模块-->
      <div class="md5">
            <h4 class="tac">友情链接</h4>
            <div class="cpt5">
                  <span>•  手机软件</span>
                  <span>•  手机软件</span>
                  <span>•  教师招聘</span>
                  <span>•  教师招聘</span>
                  <span>•  找工作</span>
                  <span>•  找工作</span>
                  <span>•  教师招聘</span>
                  <span>•  教师招聘</span>
                  <span>•  找工作</span>
                  <span>•  找工作</span>
                  <span>•  手机软件</span>
                  <span>•  手机软件</span>
                  <span>•  教师招聘</span>
                  <span>•  教师招聘</span>
                  <span>•  手机软件</span>
                  <span>•  手机软件</span>
                  <span>•  手机软件</span>
                  <span>•  手机软件</span>
                  <span>•  找工作</span>
                  <span>•  找工作</span>
            </div>
      </div>
      <!--页脚-->
      <footer>
            <div>
                  <p>技能树一改变你我</p>
                  <p class="about-we wsn">
                        <a href="task14-1.html">关于我们</a>  |  
                        <a href="#">联系我们</a>  |  
                        <a href="task14-2.html">合作企业</a>
                  </p>
            </div>
            <div class="link wsn">
                  <p>旗下网站</p>
                  <p>
                        <a href="#">草船云孵化器</a>      
                        <a href="#">最强IT特训营</a>
                  </p>
                  <p>
                        <a href="#">葡萄藤轻游戏</a>      
                        <a href="#">桌游精灵</a>
                  </p>
            </div>
            <div class="wx-qr tar">
                  <p>微信公众平台</p>
                  <img src="image/qr.png" alt="" class="qr-code">
            </div>
      </footer>
      <aside class="container tac">Copyright © 2015技能树 www.jnshu.com All Rights Reserved | 京ICP备13005880号</aside>
</body>

</html>

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用hover实现折叠菜单

0

1

hover

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">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>

<style>
    /* nav */
ul,li{
    list-style: none;
}
.xiuzhenyuan{
    display: inline-block;
}    
.nav {
    position: relative;
    margin: 20px 0;
}
.menu{
    display: inline-block;
    position: absolute;
    right: 0px;
}
.nav ul {
    margin: 0;
    padding: 0;
}
.nav li {
    margin: 0 5px 10px 0;
    padding: 0;
    list-style: none;
    display: inline-block;
}
.nav a {
    padding: 3px 12px;
    text-decoration: none;
    color: #999;
    line-height: 100%;
}
.nav a:hover {
    color: #000;
}

button div{
    width: 15px;
    height: 2px;
    background: gray;
    margin-bottom: 1px;

}
button{
    display: none;
}
.collapsed-menu{
        display: none;
    }


/* <!-- 媒体查询 --> */
@media screen and (max-width: 768px) {
    
    button{
        display: block;
        display: inline-block;
        position: absolute;
        right: 0;
    }

    button:hover.collapsed-menu{
        display: block;
    }

    .menu{
        display: none;
    }
    
    .nav.center ul {
        left: 50%;
        margin-left: -90px;
    }
} 

.collapsed-menu li{
    color: gray;
    padding: 5px 0;
}

.collapsed-menu{
    width: 100px;
    height: 150px;
    border: 1px solid #dedede;
    border-radius: 10px;
    position: absolute;
    right: 0;
}


</style>



</head>
<body>
    
<nav class="nav">
<div class="xiuzhenyuan">修真院|技能树</div>

<button>
    <div></div>
    <div></div>
    <div></div>
</button>

<ul class="menu">
    <li><a href="#">首页</a></li>
    <li><a href="#">职业</a></li>
    <li><a href="#">推荐</a></li>
    <li><a href="#">关于</a></li>
</ul>
</nav>

<ul class="collapsed-menu">
    <li>首页</li>
    <li>职业</li>
    <li>推荐</li>
    <li>关于</li>
</ul>



</body>
</html>

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如何实现下拉式导航

1

1

下拉菜单导航栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

    input:checked ~ ul{
        display: block;
        height: 252px;

该问题已被官方收录

表格的边框显示不出来

0

1

表单元素

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@charset"UTF-8";
@import"_layout";
// job主体
main.job {
    .home-box {
        padding: .31rem 0;
        border-bottom: $main-border;
        .black-font {
            font-size: .16rem;
            color: $black;
        }
        .green-font {
            font-size: .16rem;
            color: $green;
        }
    }
    .direction-box {
        padding: .23rem 0;
        border-bottom: $main-border;
        .direction {
            line-height: .14rem;
            font-size: .14rem;
            color: $text;
        }
        .option-box {
            margin: 0;
            padding: 0;
            .option {
                line-height: .14rem;
                font-size: .14rem;
                color: $black;
                &:hover {
                    background: $green;
                    color: $white;
                }
            }
        }
    }
    @media(max-width:575px) {
        .center {
            line-height: .6rem;
            text-align: center;
        }
    }
    .headline-box {
        padding: .31rem 0;
        border-bottom: $main-border;
        font-size: .16rem;
        color: $black;
    }
    .intro-box {
        position: relative;
        margin-top: .47rem;
        perspective: 1000;
        transform-style: preserve-3d;
        .shade {
            visibility: hidden;
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            padding: 2.8rem .93rem 1.76rem .82rem;
            background: rgba(8, 1, 3, 0.6);
            font-size: .16rem;
            color: $white;
            transition: 0.6s;
            transform-style: preserve-3d;
        }
        &:hover .shade {
            visibility: visible;
            transform: rotateY(360deg);
        }
        th.width1 {
            width: 40%;
        }
        th.width2 {
            width: 10%;
        }
        th.width3 {
            width: 50%;
        }
        tr.box {
            border: $main-border;

            .picture {
                margin: .2rem .08rem .16rem .11rem;
            }
            @media(max-width:375px) {
                .picture {
                    @include box(1.85rem, 1.85rem);
                    margin: .2rem .08rem .16rem .3rem;
                }
            }
            @media(min-width:376px) and (max-width:470px) {
                .picture {
                    @include box(2.1rem, 2.1rem);
                    margin: .2rem .08rem .16rem .5rem;
                }
            }
            @media(min-width:490px) and (max-width:767px) {
                .picture {
                    margin: .2rem .08rem .16rem .6rem;
                }
            }
            strong.font {
                font-size: .16rem;
                color: $black;
            }
            p.font {
                margin: .16rem .09rem 0 0;
                font-size: .14rem;
                color: $black;
            }
        }
        .standard-font{
            padding: .28rem  .1rem;
            font-size: .12rem;
            color: $text;
            border: $main-border;

            .wjx::after{
                display: inline-block;
                content:"";
                @include box(.16rem,.16rem);
                margin-left:.24rem;
                background: url(../picture/task-css14.png) no-repeat 0 -2.66rem;
            }
            .wjx2::before{
                display: inline-block;
                position: absolute;
                content:"";
                @include box(.16rem,.16rem);
                margin: .12rem 0 0 1.48rem;
                background: url(../picture/task-css14.png) no-repeat 0 -2.66rem;
            }
            .red{
                font-size: .12rem;
                color: #F01400;
            }
            .black{
                font-size: .12rem;
                color: $black;
            }
            .center{
                display:block;
                text-align: center;
            }
            .left{
                margin-left: .24rem;
            }
            .right-txet{
                float: right;
            }
        }
    }
    @media (min-width:767px) and (max-width: 991px){
        .col-sm-6 {
            -ms-flex: 0 0 50%;
            flex: 0 0 50%;
            max-width: 50%;
        }
    }
    @media(max-width:767px){
        .col-12{
            flex: 0 0 100%;
            max-width: 100%;
        }
    }
}

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怎么用bs框架实现响应式的导航栏

1

1

导航栏响应式 bottstrap

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Bootstrap 实例 - 响应式的导航栏</title>
	<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

<nav class="navbar navbar-default" role="navigation">
	<div class="container-fluid"> 
	<div class="navbar-header">
		<button type="button" class="navbar-toggle" data-toggle="collapse"
				data-target="#example-navbar-collapse">
			<span class="sr-only">切换导航</span>
			<span class="icon-bar"></span>
			<span class="icon-bar"></span>
			<span class="icon-bar"></span>
		</button>
		<a class="navbar-brand" href="#">菜鸟教程</a>
	</div>
	<div class="collapse navbar-collapse" id="example-navbar-collapse">
		<ul class="nav navbar-nav">
			<li class="active"><a href="#">iOS</a></li>
			<li><a href="#">SVN</a></li>
			<li class="dropdown">
				<a href="#" class="dropdown-toggle" data-toggle="dropdown">
					Java <b class="caret"></b>
				</a>
				<ul class="dropdown-menu">
					<li><a href="#">jmeter</a></li>
					<li><a href="#">EJB</a></li>
					<li><a href="#">Jasper Report</a></li>
					<li class="divider"></li>
					<li><a href="#">分离的链接</a></li>
					<li class="divider"></li>
					<li><a href="#">另一个分离的链接</a></li>
				</ul>
			</li>
		</ul>
	</div>
	</div>
</nav>

</body>
</html>

该问题已被官方收录

如何用纯CSS写一个手动轮播图

1

1

轮播

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" />
    <title>Title</title>
    <link rel="stylesheet" type="text/css" href="task14.css">
</head>
<body>
</body>
</html>

该问题已被官方收录

能不能利用纯css自动轮播和点击轮换效果同时出现

0

1

轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<section class="slider-contaner">
    <div class="banner-arrow">
        <a href="#a01" class="banner-left"></a>
        <a href="#" class="banner-right"></a>
    </div>
    <ul class="slider">
        <li id="a01" class="slider-item slider-item1"></li>
        <li class="slider-item slider-item2"></li>
        <li class="slider-item slider-item3"></li>
        <li class="slider-item slider-item4"></li>
        <li class="slider-item slider-item5"></li>
    </ul>
    <div class="focus-container">
        <ul class="floatfix">
            <li><div class="focus-item focus-item1"></div></li>
            <li><div class="focus-item focus-item2"></div></li>
            <li><div class="focus-item focus-item3"></div></li>
            <li><div class="focus-item focus-item4"></div></li>
            <li><div class="focus-item focus-item5"></div></li>
        </ul>
    </div>
</section>

/*css reset end*/

/*github展示统一样式start*/
a {
    text-decoration: none;
    color: #fff;
}
/*css public start*/
.floatfix {
    *zoom: 1;
}
.floatfix:after {
    content: "";
    display: table;
    clear: both;
}

/*css public end*/

/*slider start*/
.slider-contaner {
    width: 100%;
    position: relative;
}
.slider-item + .slider-item {
    opacity: 0;
}
.slider-item {
    width: 100%;
    position: absolute;
    animation-timing-function: linear;
    animation-name: fade;
    animation-iteration-count: infinite;
    background-size: 100%;
}
.focus-container {
    position: absolute;
    z-index: 7;
    margin: 0 auto;
    left: 0;
    right: 0;
}
.focus-container li {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    float: left;
    margin-right: 10px;
    background: #fff;
}
.focus-item {
    width: 100%;
    height: 100%;
    border-radius: inherit;
    animation-timing-function: linear;
    animation-name: fade;
    animation-iteration-count: infinite;
}
.focus-item2, .focus-item3, .focus-item4, .focus-item5 {
    opacity: 0;
}
.focus-container ul {
    margin-left: 46%;
}

/*设置轮播焦点的位置*/
.focus-container {
    bottom: 2%;
}

/*设置当前图片焦点的颜色*/
.focus-item {
    background: #51B1D9;
}

/*设置动画，请根据实际需要修改秒数*/
.slider-item, .focus-item {
    animation-duration: 20s;
}
.slider-item1, .focus-item1 {
    animation-delay: -1s;
}
.slider-item2, .focus-item2 {
    animation-delay: 3s;
}
.slider-item3, .focus-item3 {
    animation-delay: 7s;
}
.slider-item4, .focus-item4 {
    animation-delay: 11s;
}
.slider-item5, .focus-item5 {
    animation-delay: 15s;
}
@keyframes fade {
    0% {
        opacity: 0;
        z-index: 2;
    }
    5% {
        opacity: 1;
        z-index: 1;
    }
    20% {
        opacity: 1;
        z-index: 1;
    }
    25% {
        opacity: 0;
        z-index: 0;
    }
    100% {
        opacity: 0;
        z-index: 0;
    }
}

/*设置背景，响应式请利用媒体查询根据断点修改路径*/
.slider-item1 {
    background-image: url(backimage1.png);
}
.slider-item2 {
    background-image: url(backimage2.png);
}
.slider-item3 {
    background-image: url(backimage1.png);
}
.slider-item4 {
    background-image: url(backimage2.png);
}
.slider-item5 {
    background-image: url(backimage1.png);
}

/*设置图片的高度，请根据具体需要修改百分比，响应式及时修改此值*/
.slider, .slider-item {
    padding-bottom: 30%;
}

去第页

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