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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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用记事本保存的代码，用浏览器打开后，怎么乱码了

3

3

文档类型

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html lang="zh-cn">
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <link rel="stylesheet" href="style3.css">
  <title>魔镜介绍页</title>
</head>
<body>
  <div id="fanghui">
    <a href="xxx"><img width="50" height="50" src="img/返回.png" alt=""></a>
  </div>

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input栏位宽度的自适应

2

3

表单元素布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html代码
<div class="password">
            <img src="img4/locked.png">
            <input type="password" name="password" placeholder="请输入密码" required class="pnb"/>
        </div>
css代码
.pnb{
    border-width:0;
    font-size: 0.32rem;
    outline: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 1.55rem;
    border: none;
    height: 1rem;
    width: 70%;    
}

该问题已被官方收录

为什么变成2560/2850的时候图片会变成这样？

3

2

布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

    <div id="myCarousel" class="carousel slide">
        <!-- 轮播（Carousel）指标 -->
        <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>
        <!-- 轮播（Carousel）项目 -->
        <div class="carousel-inner">
            <div class="item active">
                <img src="../img/task888png.png" class="xte" alt="Third slide">
            </div>
            <div class="item">
                <img src="../img/task888png.png" class="xte" alt="Third slide">
            </div>
            <div class="item">
                <img src="../img/task888png.png" class="xte" alt="Third slide">
            </div>
        </div>
        <!-- 轮播（Carousel）导航 -->
        <a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
            <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
            <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#myCarousel" role="button" data-slide="next">
            <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
            <span class="sr-only">Next</span>
        </a>
    </div>
*{
    margin: 0;
    padding: 0;
}
.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;
}
.option{
    font-size: 2.5rem;
    display: flex;
    float: right;
    color: #ffffff;
    margin-top: 3.5rem;
    text-indent: 3.5rem;
}
.first-row {
    margin: 10rem 0;
}
.text-first {
    height: 25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.text-first-aside {
    border-left: 1px #dedede dashed;
    display: flex;
    justify-content: center;
}

.box-img {
    width: 10rem;
    height: 10rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

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我在做任务五的时候，用了背景图片的填充，可是发现了无法填充满

1

2

布局

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>
    <link rel="stylesheet" type="text/css" href="task5.css">
</head>
<body>
    <header>
        <a class="return"></a>
        <a class="arrow"></a>
        <span>个人主页</span>
    </header>
    <div class="box2">
        <div class="doctor"></div>
        <div class="headportrait"></div>
        <span class="name">高素雅</span>
        <span class="age">51岁</span>
        <span class="site">北京.通州.果园</span>
    </div>
    <div class="box3">
        <div class="skill">
            <span>专业技能</span>
        </div>
        <div class="require">
            <span class="require1">住家</span>
            <span class="require2">不含餐</span>
        </div>
        <div class="experience">
            <span class="experience1">工作年限</span>
            <span class="experience2">0~3年</span>
        </div>
        <div class="time">
            <span class="time1">工作时间</span>
            <span class="time2">全天</span>
        </div>
        <div class="price">
            <span class="price1">服务价格</span>
            <span class="price2">25元/小时</span>
        </div>
        <div class="introduce">
            <span class="introduce1">自我介绍</span>
            <span class="introduce2">可以洗衣、做饭、照顾老人。在护
                工方面有5年的经验，经验丰富。</span>
        </div>
        <div class="connection">
            <a class="leave word">留言</a>
            <a class="phone">电话联系</a>
        </div>
    </div>
</body>
</html>
html{
    font-size: 62.5%;
}
body{
   margin: 0; 
}
header{
    height:4.4rem;
    background-color: #5FC0CD;
    text-align: center;
}
/*.return{*/
    /*width: 20px;*/
    /*height: 20px;*/
    /*border-top: 1px solid white;*/
    /*border-right: 1px solid white;*/
    /*transform:rotate(45deg);*/
/*}*/
.arrow{
    width: 1.5rem;
    height: 1.5rem;
    border-top: 3px solid white;
    border-left: 3px solid white;
    transform:rotate(-45deg);
    display: inline-block;
    margin-left: 3.5rem;
    margin-top: 1.2rem;
    float: left;
}
header span{
    font-size: 3rem;
    color: white;
}
.box2{
 background: url(./doctor.png) no-repeat;
 height: 32.6rem;
 background-size: 100%
}

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css的媒体查询是如何使用的？

2

2

响应式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@media screen and (max-width: 768px) {
    .weixin {
        float: left;
    }

    .qr-code {
        float: left;
        margin-left: 22px;
    }

    .about-we {
        margin-top: 0;
    }

    .hanbao {
        display: inline-block;
    }

    .btn-group button {
        display: none;
    }

}

该问题已被官方收录

纯css的响应式导航栏有什么方法

3

2

导航栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.

该问题已被官方收录

如何实现在响应式过后的文件对齐

2

2

响应式布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

css
@gerrn:#29b078;
@fff:#fff;
@color:#fafafa;

.dfjsb{
  display:flex;
  justify-content:space-between;
  align-items:center;

}

a{
  text-decoration:none;
}

.yui{
  .dfjsb;
  padding:0 2rem;
}

.rty{
  .dfjsb
}

.dfjsa{
  display:flex;
  justify-content:space-around;
  align-items:center;
}

.dfffr{
  display:flex;
  flex-flow:column;
  align-items:center;
  padding-left:1.5em;
  justify-content:center;
}

.dfrr{
  display:flex;
  flex-direction:row-reverse;
  color:@fff;
}

.tac{
  text-align:center;
}

html{
  font-size:62.5%;
  overflow-x: hidden;
}

body{
  margin:0;
  padding:0;
  background:#fafafa;
}

.hdtp{
  .dfjsb;
  padding:0 2rem;
  .hdct{
    color:@gerrn;
  }
  .hdbm{
    .dfjsb;
    padding-right:2rem;
    width:15%;
  }
}

.hdmn{
  .dfrr;
  justify-content:space-between;
  padding:0 2rem;
  background:@gerrn;
  height:7.2rem;
  font-size:1.6vw;
  .hdmnq{
    display:flex;
    flex-flow:row-reverse;
    width:70%;
    padding-right:2rem;
  }
  .hdmnc{
    text-align:center;
    height:7rem;
    line-height:7rem;
    width:8%;
    &:hover{
      border-bottom:3px solid #fff;
    }
  }
}

@media screen and(max-width:1000px){
  .hdmn .hdmnc{
    width:25%;
  }
}

.mnftr{
  margin-top:1.3em;
}

.setting{
  height:3em;
  margin:0 4em 0 24px;
  font-size:1.6em;
  border-bottom:1px solid #ccc;
  a{
    color:green;
  }
}

.text{
  margin:0 64px 0 2em;
  height:2em;
  border-bottom:1px solid #ccc;
  a{
    color:#000;
    &:hover{
      background:green;
      color:#fff;
    }
  }
}


strong{
  display:block;
  height:3em;
  border-bottom:1px solid #ccc;
  margin:0 64px 0 24px;
  font-size:16px;
  text-align:center;
}

.tab{
  width:330px;
  margin-top:1em;
  border:1px solid #ccc;
  img{
    width:90px;
    height:90px;
    margin:1em;
  }
}

.tae{
  width:330px;
  border:1px solid #ccc;
  border-top:0;
  .w200{
    width:180px;
    height:2em;
    border-right:1px solid #ccc;
  }
  b{
    color:red;
  }
  img{
    width:10px;
    height:10px;
  }
}

.boa{
  border:1px solid #ccc;
  .w145{
    text-align:center;
    width:130px;
    border-right:1px solid #ccc;
  }
  .w199{
    width:187px;
    border-bottom:1px solid #ccc;
  }
}

.dsf{
  display:flex;
  justify-content:space-between;
  margin:0 2em;
}



.ttt{
  font-size:12px;
  width:330px;
  border:1px solid #ccc;
}

.footer-top{
  background:@gerrn;
  color:@fff;
}

.footer-center{
  padding-right:.5em;
  border-right:1px solid @fff;
}

.footer-bottom{
  padding-bottom:.3em;
  height:1.3rem;
  &:hover{
    border-bottom:2px solid @fff;;
  }
}

@media screen and (max-width:1000px){
  .yui{
    display:flex;
    flex-flow:column;
  }
}
@media screen and (max-width:1000px){
  .dsf{
    display:flex;
    flex-flow:column;
    width:100%;
  }
  .text{
    margin:0;
  }
  strong{
    margin:0;
    display: block;
    height: 3em;
    border-bottom: 1px solid #ccc;
    font-size: 16px;
    text-align: center;
  }

  .hdmn{
    padding:0;
  }
.setting{
  margin:0;
}
  .center{
    margin:0 auto;
  }

  .tab{
    width:90%;
  }

  .tae{
    width:90%;
  }

  .boa{
    width:90%;
  }

  .ttt{
    width:90%;
  }
}
.summary{
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 310px;
  transition: ALL 3s ease-in-out;
}
.re{
   display:block;
  position:relative;
  top:0;
 }
.summary:hover{
  display:block;
  opacity: .8;
  background:black;
  color: white;
  transform: rotate(360deg);
  padding: 0 2rem;
  margin: 1rem 2rem 0 2px;
}

@media screen and (max-width:1000px){
  .summary{
    width:83%;
  }
}
@media screen and (max-width:600px){
  .summary{
    width:73%;
  }
}

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文字居中的问题，假如太少了不知道怎么操作？

7

2

居中

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.good {
    margin: 2rem;
    font-size: 2rem;
    color: #ffc865;
    text-align: center;
}

该问题已被官方收录

用flex如何实现响应式布局

2

2

flex 响应式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<p class="blogroll-p">友情链接</p>
            <div  class="blogroll-link">
                <ul class="link">
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                </ul>
            </div>
            <div  class="blogroll-link">
                <ul class="link">
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                    <li>手机软件</li>
                </ul>
            </div>




.link{
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.blogroll-p{
    line-height: 25px;
    text-align: center;
    font-size: 16px;
    color: #333333;
}
ul{
    text-align:left;
    padding-left: 20px;
    color:#999999;
}
li{
    flex: 1;
    justify-items: start;
}

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为什么没有给两个按钮设置任何属性它们之间会有间隙

3

2

布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<button class="button-1">找雇主</button>
        <button class="button-2">找护工</button>

去第页

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