会员可以在此提问,百战未来老师有问必答
对大家有帮助的问答会被标记为“推荐”
看完课程过来浏览一下别人提的问题,会帮你学得更全面
截止目前,同学们一共提了 134831个问题

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Title</title>
    <style>
        *{
            margin: 0;
        }
        .box{
            width: 1263px;
            height: 750px;
            /*background: red;*/
        }
        .wrap{
            width: 25%;
            height: 375px;
            /*background: blue;*/
            float: left;
            padding: 10px;
            box-sizing: border-box;
            position: relative;
        }
        .items>img{
            width: 100%;
            height: 100%;
        }
        .items-name{
            position: absolute;
            top: 265px;
            left:25px;
        }
        .items-name1{
            left:90px;
        }
        .items-information{
            position: absolute;
            top: 300px;
            left:40px;
        }
        .items-information1{
            left:25px;
        }
        .items-price{
            position: absolute;
            top: 310px;
            left:100px;
        }
        .box-p{
            width: 303px;
            height: 80px;
        }
        .box-p>p:first-of-type{
            color: #333333;
            font-size: 16px;
            margin-top: 1px;
        }
        .box-p>p:nth-child(2){
            font-size: 14px;
            color: #999999;
        }
        .box-p>p:last-of-type{
            font-size: 22px;
            color: #cc0000;
        }
        span{
            color: #999999;
            font-size: 12px;
        }
        .items:hover{
            box-shadow: 0 10px 10px rgba(0,0,0,.18);
            /*transform: scale(1.1);*/
        }
        .circle{
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(to bottom right,hotpink,pink);
            position: absolute;
            top: 20px;
            left: 20px;
            line-height: 50px;
        }
    /*    移动端*/
        @media screen and (max-width: 768px) {
            .wrap{
                width: 50%;
            }
        }
    /*    Ipad端*/
        @media screen and(max-width: 992px) and (min-width: 768px){
            .wrap{
                width: 33%;
            }
        }
    /*    pc端*/
        @media screen and (min-width: 992px){
            .wrap{
                width: 25%;
            }
        }
    </style>
</head>
<body>
 <div class="box">
     <div class="wrap">
         <div class="items">
             <img src="魅族images/be6fed05-168e-4633-bc1d-6e75705fce07.jpg" alt="">
             <p class="items-name" style="font-size: 21px;font-weight: 700;color: #ffffff">魅族 HD60 头戴式蓝牙耳机</p>
             <p class="items-information" style="color: #ffffff;font-size: 14px">40mm生物振膜 | 触控操作 | 蓝牙5.0</p>
             <p class="items-price" style="font-size: 24px;font-weight: 700;color:gold">¥499</p>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/08/5E/Cgbj0V_38NOAGvEXAAN6WGRLi3Y197.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 POP Pro 主动降噪耳机</p>
                 <p>【限时特惠449元+3期免息】</p>
                 <p>¥449 <span><small><del>¥499</del></small></span></p>
             </div>
         </div>
         <div class="circle" style="color: white;text-align: center">
         <p>免息</p>
     </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/08/40/Cgbj0V-JCMSAa5qBAAMth2Y6_gU978.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 POP2s 真无线耳机</p>
                 <p>【限时特惠199元+3期免息】</p>
                 <p>¥199 <span><small><del>¥299</del></small></span></p>
             </div>
         </div>
         <div class="circle" style="color: white;text-align: center">
             <p>免息</p>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/07/2F/Cgbj0Vy_C3GAN_TKAAExaPfTwFc180.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 HIFI 解码耳放</p>
                 <p>【限时特惠149元】</p>
                 <p>¥149 <span><small><del>¥169</del></small></span></p>
             </div>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://fms.res.meizu.com/dms/2019/08/29/04811a8d-07fb-4188-a852-1971f442d08f.jpg" alt="">
             <p class="items-name items-name1" style="font-size: 21px;font-weight: 700;color: #ffffff">魅族 EP3C 耳机</p>
             <p class="items-information items-information1" style="color: #ffffff;font-size: 14px">Hi-Res 认证高解析音质 | Type-C数字接口</p>
             <p class="items-price" style="font-size: 24px;font-weight: 700;color:gold">¥
                 129</p>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/07/E0/Cgbj0V6z8VSAV6kEAAlCc-omYno614.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 HD60 降噪耳机</p>
                 <p>【限时特惠799元+12期免息】</p>
                 <p>¥799 <span><small><del>¥1099</del></small></span></p>
             </div>
         </div>
         <div class="circle" style="color: white;text-align: center">
             <p>免息</p>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/07/86/Cgbj0V3UocyAR_tJAApbDmCAyEo620.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 HD60 头戴式蓝牙耳机</p>
                 <p>40mm生物振膜 | 触控操作 | 蓝牙5.0</p>
                 <p>¥449</p>
             </div>
         </div>
     </div>
     <div class="wrap">
         <div class="items">
             <img src="https://openfile.meizu.com/group1/M00/04/17/Cgbj0VrcX6yABHxPAARZwWUAjc4748.png" alt="">
             <div class="box-p" align="center">
                 <p>魅族 HALO 激光蓝牙耳机</p>
                 <p>炫酷夜跑神器 随性张扬</p>
                 <p>¥449 <span><small><del>¥999</del></small></span></p>
             </div>
         </div>
     </div>
 </div>
</body>
</html>

我为什么缩小到移动端的时候,图片并没有变小,感觉所有的格式都乱了呢,还有就是并没有按相应该显示的几个

WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS盒子模型 451楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>魅族</title>
    <style>
        .box-header{
            width: 100%;
            height: 680px;
            background: url("魅族images/444c6b0f-a71c-4e91-8c17-6745223228c5.jpg") no-repeat center ;
            background-size: cover;
        }
        .box-phone{
            width: 100%;
            height: 450px;
            background: url("魅族images/a6c64f8f-6ab5-4a93-8139-2a893eb2a2a5.jpg") no-repeat center;
            background-size: cover;
        }
        .box-header-bottom{
            width: 1262px;
            height: 277px;
            /*background: red;*/
        }
        .box-top{
            width: 25%;
            height: 100%;
            /*background: orange;*/
            float: left;
        }
        .img1{
            width: 130px;
            height: 130px;
        }
        .box-top>p:first-of-type,.phone-top-left>p:first-of-type,.phone-top-right>p:first-of-type,.phone-bottom-items>p:first-of-type{
            font-size: 20px;
            font-weight: bold;
            width: 310px;
            height: 30px;
        }
        .box-top>p:last-child,.phone-top-left>p:first-of-type+p,.phone-top-right>p:first-of-type+p,.phone-bottom-items>p:last-of-type{
            color: #999999;
            font-size: 14px;
            width: 310px;
            height: 21px;
        }
        .title{
            text-align: center;
            font-weight: bold;
            font-size: 2em;
        }
        .box-phone-bottom{
            width: 1262px;
            height: 1005px;
        }
        .box-phone-bottom-center{
            width: 1230px;
            height:1220px;
        }
        .phone-top{
            width:1230px;
            height: 610px;
        }
        .phone-bottom{
            width: 1212px;
            height: 375px;
        }
        .phone-top-left,.phone-top-right{
            width: 615px;
            height: 610px;
            float: left;
        }
        .phone-bottom-items{
            width: 303px;
            height: 375px;
            float: left;
        }
        .img2{
            width: 460px;
            height: 460px;
        }
        .price{
            width: 71px;
            height: 33px;
            color: red;
            font-size: 28px;
        }
        .price1{
            width: 14px;
            height: 21px;
            font-size: 12px
        }
        .img3{
         width: 230px;
            height: 230px;
        }
/*.img+p{
    font-size: 20px;
    font-weight: bold;
}*/
    </style>
</head>
<body>
<div class="box-header">
    <a href="https://www.meizu.com/">
    </a>
</div>
<div class="box-header-bottom">
    <div class="box-top" align="center">
        <img src="魅族images/5f896683-d2f2-487d-a296-722fc9e17f1e.png" alt="" class="img1">
        <p>魅族 18</p>
        <p>立省900 + 12 期免息 + 赠手机壳</p>
    </div>
    <div class="box-top" align="center">
        <img src="魅族images/5f896683-d2f2-487d-a296-722fc9e17f1e.png" alt="" class="img1">
        <p>魅族 18</p>
        <p>立省900 + 12 期免息 + 赠手机壳</p>
    </div>
    <div class="box-top" align="center">
        <img src="魅族images/5f896683-d2f2-487d-a296-722fc9e17f1e.png" alt="" class="img1">
        <p>魅族 18</p>
        <p>立省900 + 12 期免息 + 赠手机壳</p>
    </div>
    <div class="box-top" align="center">
        <img src="魅族images/5f896683-d2f2-487d-a296-722fc9e17f1e.png" alt="" class="img1">
        <p>魅族 18</p>
        <p>立省900 + 12 期免息 + 赠手机壳</p>
    </div>
</div>
<h3 class="title">手机</h3>
<div class="box-phone">
</div>
<div class="box-phone-bottom">
    <div class="box-phone-bottom-center">
        <div class="phone-top" >
            <div class="phone-top-left" align="center">
                <p>魅族 18</p>
                <p>限时领券至高立省900 | 赠手机壳</p>
                <p class="price"><span class="price1">¥</span>3999</p>
                <img src="魅族images/de87d38d-3785-4605-a211-71364ded123f.png" alt=""  class="img2">
            </div>
            <div class="phone-top-right" align="center">
                <p>魅族 18</p>
                <p>限时领券至高立省900 | 赠手机壳</p>
                <p class="price"><span class="price1">¥</span>3999</p>
                <img src="魅族images/de87d38d-3785-4605-a211-71364ded123f.png" alt=""  class="img2">
            </div>
        </div>
        <div class="phone-bottom">
            <div class="phone-bottom-items" align="center">
                <img src="魅族images/Cgbj0F6zwMuANEeWAAw6yQFAJXM097.png" alt="" class="img3">
                <p>魅族 17「AG梦幻独角兽」</p>
                <p>高通骁龙 865 | 120 Hz尝鲜模式</p>
                <p class="price"><span class="price1">¥</span> 3699</p>
            </div>
            <div class="phone-bottom-items" align="center">
                <img src="魅族images/Cgbj0F6zwMuANEeWAAw6yQFAJXM097.png" alt="" class="img3">
                <p>魅族 17「AG梦幻独角兽」</p>
                <p>高通骁龙 865 | 120 Hz尝鲜模式</p>
                <p class="price"><span class="price1">¥</span>3699</p>
            </div>
            <div class="phone-bottom-items" align="center">
                <img src="魅族images/Cgbj0F6zwMuANEeWAAw6yQFAJXM097.png" alt="" class="img3">
                <p>魅族 17「AG梦幻独角兽」</p>
                <p>高通骁龙 865 | 120 Hz尝鲜模式</p>
                <p class="price"><span class="price1">¥</span> 3699</p>
            </div>
            <div class="phone-bottom-items" align="center">
                <img src="魅族images/Cgbj0F6zwMuANEeWAAw6yQFAJXM097.png" alt="" class="img3">
                <p>魅族 17「AG梦幻独角兽」</p>
                <p>高通骁龙 865 | 120 Hz尝鲜模式</p>
                <p class="price"><span class="price1">¥</span> 3699</p>
            </div>
        </div>
    </div>
</div>
</body>
</html>

老师,我写魅族官网写了一部分,为什么价格哪里class都一样,但是设置不出来同样的样式呢?

WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS常用属性 452楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/HTML5基础元素 455楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/前端入门与基础知识 457楼

/*视频开始*/
.video-box{
    width: 100%;
    height: 299px;
    background-color: red;
}
.video-box>div{
    width: 296px;
    height: 285px;
    background-color: #ffffff;
    float: left;
    margin-bottom: 14px;
    margin-right: 14px;
}
.video-box>div:last-child{
    margin-right: 0;
}

<!--主题开始-->
<div class="content">
       <div class="wrap">
<!--手机开始-->
      <div class="phone">
          <h3 class="title">手机</h3>
          <div class="phone-box">
              <div class="phone-box-left">
                  <a href="#">
                      <img src="images/574c6643ab91c6618bfb2d0e2c761d0b.jpg" alt="">
                  </a>
              </div>
              <div class="phone-box-right">
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
              </div>
          </div>
          <div class="big-img">
              <a href="#">
                  <img src="images/c3b86ede4dd31d7c126d56fbdde4f855.jpg" alt="">
              </a>
          </div>
      </div>
<!-- 手机结束-->
<!--  家电开始-->
       <div class="elc">
           <h3 class="title">家电</h3>
           <div class="elc-box">
               <div class="items1 items2">
                   <a href="#">
                       <img src="images/f256b81e4233333692eece77ed06ebc2.jpg" alt="">
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1 items2">
                   <a href="#">
                       <img src="images/f256b81e4233333692eece77ed06ebc2.jpg" alt="">
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items-last">
                   <div></div>
                   <div></div>
               </div>
           </div>
       </div>
       </div>
        <div class="big-img">
               <a href="#">
                   <img src="images/c3b86ede4dd31d7c126d56fbdde4f855.jpg" alt="">
               </a>
           </div>
    <!--    家电结束-->
    <!--视频开始-->
    <div class="video">
        <h3 class="title">视频</h3>
        <div class="video-box">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>
<!--  视频结束-->
       </div>
</div>
<!-- 主题结束-->

image.png

视频顶头le?

WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS3新特性 458楼

/*视频开始*/
.video-box{
    width: 100%;
    height: 299px;
    background-color: red;
}
.video-box>div{
    width: 296px;
    height: 285px;
    background-color: #ffffff;
    float: left;
    margin-bottom: 14px;
    margin-right: 14px;
}
.video-box>div:last-child{
    margin-right: 0;
}

<!--主题开始-->
<div class="content">
       <div class="wrap">
<!--手机开始-->
      <div class="phone">
          <h3 class="title">手机</h3>
          <div class="phone-box">
              <div class="phone-box-left">
                  <a href="#">
                      <img src="images/574c6643ab91c6618bfb2d0e2c761d0b.jpg" alt="">
                  </a>
              </div>
              <div class="phone-box-right">
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
                  <div class="items1">
                      <a href="#">
                          <img src="images/d880ff45a9a3b70527770e01521fc939.jpg"
                               alt="" class="img1">

                          <p class="name2">小米10至尊版</p>
                          <p class="desc2">120X 变焦/120W秒充/120Hz屏幕</p>
                          <p class="price2">5299元起</p>
                      </a>
                  </div>
              </div>
          </div>
          <div class="big-img">
              <a href="#">
                  <img src="images/c3b86ede4dd31d7c126d56fbdde4f855.jpg" alt="">
              </a>
          </div>
      </div>
<!-- 手机结束-->
<!--  家电开始-->
       <div class="elc">
           <h3 class="title">家电</h3>
           <div class="elc-box">
               <div class="items1 items2">
                   <a href="#">
                       <img src="images/f256b81e4233333692eece77ed06ebc2.jpg" alt="">
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                       class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1 items2">
                   <a href="#">
                       <img src="images/f256b81e4233333692eece77ed06ebc2.jpg" alt="">
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items1">
                   <a href="#">
                       <img src="images/ef4c68fed730ec26bf2fa0ff620975c5.jpg" alt=""
                            class="img1">
                       <p class="name2">小米11 Ultra</p>
                       <p class="desc2">1/1.12''GN2|2K四微曲屏</p>
                       <p class="price2">5499元 <del>5999元</del></p>
                   </a>
               </div>
               <div class="items-last">
                   <div></div>
                   <div></div>
               </div>
           </div>
       </div>
       </div>
        <div class="big-img">
               <a href="#">
                   <img src="images/c3b86ede4dd31d7c126d56fbdde4f855.jpg" alt="">
               </a>
           </div>
    <!--    家电结束-->
    <!--视频开始-->
    <div class="video">
        <h3 class="title">视频</h3>
        <div class="video-box">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>
<!--  视频结束-->
       </div>
</div>
<!-- 主题结束-->

image.png

视频顶头le?

WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS3新特性 459楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS盒子模型 460楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS选择器 461楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS常用属性 462楼
WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS常用属性 463楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>小米</title>
  <!-- 外部引入,首选 rel为icon左上角网页图标,icon一般是16*16像素-->
    <link rel="icon" href="images/favicon.ico">
    <!--外部引入,href里全局样式-->
    <link rel="stylesheet" href="css/reset.css">
    <link rel="stylesheet" href="css/mi1.css">
</head>
<body>

<!--

准备工作:
1)css样式提前存好,备调用
2)页面图片下载
首先用火狐浏览器下载页面全部图片,方法:浏览器页面找空白的地方-&#45;&#45;右击查看页面信息-&#45;&#45;找标签-&#45;&#45;媒体-&#45;&#45;全选-&#45;&#45;另存为-&#45;&#45;
-->


<!--头部开始-->
<div class="header">
    <a href="#">
        <img src="images/a2a9e6db5e3c5374301827435d8595c6.jpg" alt="">
    </a>
</div>
<!--头部结束-->
<!--黑色导航开始-->
<div class="black-nav">
    <div class="wrap">
        <!--左侧的无序列表-->
        <ul class="black-nav-left">
            <li><a href="#">小米商城</a><span>|</span></li>
            <li><a href="#">MIUI</a><span>|</span></li>
            <li><a href="#">loT</a><span>|</span></li>
            <li><a href="#">云服务</a><span>|</span></li>
            <li><a href="#">天星数科</a><span>|</span></li>
            <li><a href="#">有品</a><span>|</span></li>
            <li><a href="#">小爱开放平台</a><span>|</span></li>
            <li><a href="#">企业团购</a><span>|</span></li>
            <li><a href="#">资质证照</a><span>|</span></li>
            <li><a href="#">协议规则</a><span>|</span></li>
            <li>
                <a href="#">下载APP</a><span>|</span>
                <div class="download">
                    <img src="images/download.png" alt="">
                    <p>小米商城APP</p>
                </div>
                <div class="stri"></div>
            </li>
            <li><a href="#">智能生活</a><span>|</span></li>
            <li><a href="#">SelectLocation</a></li>
        </ul>
        <!--右侧的无序列表-->
        <ul class="black-nav-right">
            <li><a href="#">登录</a><span>|</span></li>
            <li><a href="#">注册</a><span>|</span></li>
            <li><a href="#">消息通知</a></li>
            <!--cart是购物车-->
            <li class="cart">
                <a href="#">购物车(0)</a>
                <div class="cart-list">
                    购物车中还没有商品,赶紧选购吧!

                </div>
            </li>
        </ul>

    </div>

</div>

<!--黑色导航结束-->
</body>
</html>
/*头部样式开始*/
.header{
    width: 100%;
    height: 120px;
    /*background-color: red ;*/
    /*溢出部分隐藏掉*/
    overflow: hidden;
    position: relative;
}
.header img{
    /*只设置高度,宽度等比例缩放*/
    height: 120px;
    position: absolute;
    left: 50%;
    transform: translate(-50%);
}
/*头部样式结束*/

/*黑色导航样式开始*/
.black-nav{
    width: 100%;
    height: 40px;
    line-height: 40%;
    background-color:#333 ;
    color:#b0b0b0;
    font-size: 12px;
}
.wrap{
    width: 1226px;
    margin: 0 auto;
}
.black-nav-left{
    float: left;
}
/*整个容器右浮*/
.black-nav-right{
    float: right;
}
.black-nav li{
    float: left;
    /*是相对于download的父元素进行定位*/
    position: relative;
}
.black-nav a{
    color: #b0b0b0;
}
.black-nav a:hover{
    color: #fff;
}
.black-nav span{
    color: #424242;
    margin: 0 3.6px;
}
.cart{
    width: 120px;
    height: 40px;
    background-color: #424242;
    margin-left: 25px;
    position: relative;
}
.cart:hover{
    background-color: #fff;
}
.cart:hover a{
    color: #ff6700;
}
.cart-list{
    width: 316px;
    height: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,.15);
    position: absolute;
    right: 0;
    top: 40px;
    color: #424242;
   /* 隐藏溢出的文字*/
    overflow: hidden;
    transition: all .3s ;

}
/*鼠标悬停在cart,指向cart-list显示*/
.cart:hover>.cart-list{
    height: 100px;
    /*一行文字垂直居中,行高等于高*/
    line-height: 100px;

}
/*下载APP*/
.download{
    width: 124px;
    /*本身是设置了高度,因为需要实现文字溢出隐藏,故先把高度变为0*/
    height: 0;
    background-color: #fff;
    box-shadow: 0 1px 5px #aaa;
   /* 为了下载APP不自动撑开父元素宽度,进行绝对定位*/
    position: absolute;
    top: 40px;
    left: 50%;
    margin-left: -62px;
    /*高度设置为0后,设置文字溢出部分隐藏*/
    overflow: hidden;
    transition: all .3s;
    position: relative;

}
.download>img{
    width: 90px;
    margin:18px auto 12px ;
}
.download>p{
    color: #333;
    font-size: 14px;
    line-height: 14px;
}
.black-nav-left>li:hover>.download{
    height: 148px;

}
.stri{
    /*绘制下三角形*/
    width: 0;
    height: 0;
    border-bottom: 8px solid #fff;
    border-left:8px solid transparent;
    border-right: 8px solid transparent;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -8px;
    /*元素隐藏*/
    display: none;
}
.black-nav-left>li:hover>.stri{
    display: block;
}
/*黑色导航样式结束*/


WEB前端全系列/第一阶段:HTML5+CSS3模块/CSS3新特性 464楼

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