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该问题已被官方收录

sass中的相同变量，不同取值如何正确的使用，才能让css代码更加简洁。

3

1

Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.back {
        position: absolute;
        left: 5%;
        top: 33%;
        display: inline-block;
        width: .3rem;
        height: .3rem;
        font-size: .36rem;
        // line-height: .88rem;
        border-top: .02rem solid #fff;
        border-right: .02rem solid #fff;
        transform: rotate(225deg);
    }

    .h-page {
        font-size: .36rem;
        line-height: .88rem;
        color: #fff;
    }

该问题已被官方收录

什么是文档流，什么是脱离文档流

1

css概念

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<style>
        .box{
            float:left;
            width:200px;
            height:200px;
            background:#000;
        }
        .box{
            position:absolute;
            top:0;
            left:0;
            width:200px;
            height:200px;
            background:yellow;
        }
    </style>
</head>
<body>
<div class="box1"></div>
<div class="box"></div>

该问题已被官方收录

使用sass的时候是否可以一直用nth:child 嵌套，而不编写类名？

1

Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html {
    font-size: 625%;
}

body {
    font-size: .14rem;
    margin: 0;
    padding: 0;
}

button {
    outline: none;
    border: none;
    color: none;
}

header {
    position: fixed;
    top: 0;
    z-index: 1;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: .1rem;
    background-color: #5FC0CD;
    @mixin button-style {
        width: .72rem;
        height: .35rem;
        font-size: .17rem;
        font-family: serif;
        border-radius: .05rem;
        font-weight: 300;
    }
    & :first-child {
        @include button-style;
        color: #fff;
        background-color: #55A8B3;
    } // 页眉左
    & :nth-child(2) {
        margin-left: -.05rem;
        @include button-style;
        color: #5FC0CD;
        background-color: #fff;
    } // 页眉中
    & :last-child::before {
        content: "";
        position: absolute;
        right: .35rem;
        top: .165rem;
        display: inline-block;
        background: url(../I/page2.png)no-repeat;
        width: 21px;
        height: 22px;
        background-position: 0 -33px;
    } // 页眉右
}

// 页眉
.nav-style {
    display: flex;
    justify-content: space-between;
    margin-top: .55rem;
    border-bottom: 1px solid #E1E5E7;
    &>:nth-child(2) {
        border-left: 1px solid #E1E5E7;
        border-right: 1px solid #E1E5E7;
    }
} // 包含整个菜单栏的样式
.navigation {
    @mixin navigation-style {
        display: flex;
        justify-content: center;
        align-items: center;
        margin: .03rem 0;
        padding: .1rem 0;
        color: #999;
    } // 菜单栏三栏通用样式
    @include navigation-style;
    position: relative;
    width: 100%;
    span {
        flex-basis: 80%;
        text-align: center;
    } // 导航栏样式
    &:hover>.menu {
        display: block;
    } // 隐藏内容显现
    & i::after {
        content: "";
        display: inline-block;
        border: .04rem solid transparent;
        border-top: .06rem solid #AFBAC0;
        width: 0;
        height: 0; // 下拉三角形
    }
    .menu {
        position: absolute;
        display: none;
        top: .42rem;
        width: 100%;
        background: #fff; // 隐藏内容
        span {
            display: block;
            box-shadow: 1px 1px 1px #E1E5E7;
            padding: .1rem 0; // 显示内容后的样式
            &:hover {
                background-color: #5FC0CD;
                color: #fff;
            }
        }
    }
}

// 每栏菜单样式
.main-content-style {
    display: flex;
    justify-content: space-between;
    padding: .05rem .15rem;
    border-bottom: 1px solid #E1E5E7;
    span {
        display: block;
    }
    .sheet-left {
        overflow: hidden;
        span {
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }
        @mixin font-style {
            color: #999;
            font-size: .13rem;
            margin: .1rem 0;
        }
        span:nth-child(1) {
            @include font-style;
        } // 表格左第一行字体
        span:nth-child(1)::before {
            content: "";
            margin-right: .07rem;
            background: url(../I/page2.png)no-repeat;
            width: 12px;
            height: 12px;
            background-position: 0 -113px;
            display: inline-block;
        } // 表格左第一行图标
        span:nth-child(2) {
            margin-left: .19rem;
            font-size: .14rem;
            color: #333;
        } // 表格左 第二行
        span:nth-child(3) {
            @include font-style;
        } // 表格左第三行
        span:nth-child(3)::before {
            content: "";
            margin-right: .07rem;
            background: url(../I/page2.png)no-repeat;
            width: 10px;
            height: 12px;
            background-position: 0 0;
            display: inline-block;
        } // 表格左第三行图标
    } // 表格左
    .sheet-right {
        display: flex;
        align-items: center;
        white-space: nowrap;
        span {
            display: flex;
            align-items: center;
            color: #E63B0E;
            font-size: .15rem;
        } // 表格右字体
        span::after {
            content: "";
            margin-left: .1rem;
            background: url(../I/page2.png)no-repeat;
            width: 10px;
            height: 17px;
            background-position: 0 -96px;
            display: inline-block;
        } // 表格右图标
    }
}

.bottom-footer-gap {
    margin-bottom: .7rem;
}

// 最后一行表格和页脚的距离，页脚设置了fixed定位
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: .06rem 0;
    background-color: #F8FAFB; // 页脚样式
    .footer-left {
        text-align: center;
        i:before {
            content: "";
            display: inline-block;
            background: url(../I/page2.png)no-repeat;
            width: 23px;
            height: 20px;
            background-position: 0 -55px;
        }
        span {
            a {
                color: #5FC0CD;
                text-decoration: none;
            }
        }
    } // 页脚左边文字和图标
    .footer-center {
        display: flex;
        justify-content: center;
        align-items: center;
        width: .57rem;
        height: .57rem;
        border-radius: 50%;
        background-color: #5FC0CD;
        i::before {
            content: '';
            display: inline-block;
            background: url(../I/page2.png)no-repeat;
            width: 20px;
            height: 21px;
            background-position: 0 -12px;
        }
    } // 页脚中间文字和图标
    .footer-end {
        text-align: center;
        i::before {
            content: "";
            display: inline-block;
            background: url(../I/page2.png) no-repeat;
            width: 21px;
            height: 21px;
            background-position: 0 -75px;
        }
    } // 页脚右边文字和图标
}

该问题已被官方收录

盒子页面在进行到进度条时，使用了另一个办法，使用盒子的边框做底，做圆形盒子打底。

0

1

盒模型

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

css：


html {
    font-size: 62.5%;
}

body {
    margin: 0;
    padding: 0;
    background-color: #fff;
}

/*header区域开始*/
/*顶部登录页面*/
/*顶部最大容器*/
.loginbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 4rem;
    background-color: #1d7ad9;
    font-size: 1.6rem;
    color: #ffffff;
}

/*顶部最大容器结束*/
.loginbar-left {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/*文字框容器*/
.loginbar-right {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 20%;
}

/*文字框容器*/

/*文字框设置*/
.loginbar-right-right {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 4rem;
    width: 50%;
    border-right: 1px solid #ffffff;
    border-left: 1px solid #ffffff;
}

/*结束*/

/*顶部文字框hover*/
.loginbar-right-right:hover {
    background-color: #ffffff;
    color: #000;
}

/*导航栏*/
.bnt {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.bnt-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9f9;
    width: 100%;
    height: 5rem;
}

.bnt-center {
    width: 9%;
    height: 3rem;
    text-align: center;
    line-height: 3rem;
    background-color: #ffffff;
    border-radius: 15%;
    font-size: 1.6rem;
}

.bnt-center:hover {
    background-color: #1d7ad9;
    color: #fff;
}

/*结束*/
/*进度条*/
.sidebar {
    width: 55%;
    border-top: 5px solid yellow;
    float: right;

}

.sidebar-top {
    display: flex;
    justify-content: space-around;
    position: relative;
    top: 0;
    left: 0;
}

.sidebar-center {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color:#ff7f02;
    position: absolute;
    
}

.sidebar-bottom {
    display: flex;
    justify-content: space-around;
    height: 3rem;
    line-height: 3rem;
}

html：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>task10</title>
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
    <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>
    <link rel="stylesheet" href="css/task10.css">
</head>
<body>
<header>
    <div class="loginbar">
        <div class="container">
            <div class="row">
                <div class="col-xs-12 col-md-12 loginbar-left">
                    <div>客服热线：1234123412342</div>
                    <div class="loginbar-right">
                        <div class="loginbar-right-right">登录</div>
                        <div class="loginbar-right-right">注册</div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="bnt-top">
        <div class="container">
            <div class="row">
                <div class="col-xs-12 col-md-12 bnt">
                    <div style="width: 50%;"></div>
                    <div class="bnt-center">首页</div>
                    <div class="bnt-center">在线定制</div>
                    <div class="bnt-center">标准箱</div>
                    <div class="bnt-center">品质保证</div>
                </div>
            </div>
        </div>
    </div>
    <br><br>
<div class="container">
    <div class="row">
        <div class="col-xs-12 col-md-12">
            <div style="width: 50%;"></div>
            <div class="sidebar"></div>
        </div>
    </div>
</div>
    <div class="container">
        <div class="row">
            <div class="col-xs-12 col-md-12 sidebar-top">
                <div style="width: 40%;"></div>
                <div class="sidebar-center">1</div>
                <div class="sidebar-center">2</div>
                <div class="sidebar-center">3</div>
                <div class="sidebar-center">4</div>
            </div>
        </div>
    </div>
    <div class="container">
        <div class="row">
            <div class="col-xs-12 col-md-12 sidebar-bottom">
                <div style="width: 40%;"></div>
                <div>1.定制纸箱</div>
                <div>2.上传附件</div>
                <div>3.选择数量</div>
                <div>4.确认下单</div>
            </div>
        </div>
    </div>
</header>
</body>
</html>

该问题已被官方收录

用ul 去实现均匀布局盒子

0

1

表单元素属性属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

ul{
    float: left;
    text-decoration: none;
    list-style-type: none;
    /*margin: 0;*/
    padding-left: 10px;
    /*border: 0;*/




}
.card> li{
    float: left;
    width: 20%;
    height: 20%;
    text-align: center;
    border: 4px solid white;
    margin: 5% 5% 8% 7%;

该问题已被官方收录

轮播图如何用css完美实现

1

轮播

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html部分
<!--轮播图-->
        <div class="loop-wrap">
            <div class="loop-images-container">
                <img src="./img14/cover3.png" alt="" class="loop-image">
                <img src="./img14/cover3.png" alt="" class="loop-image">
                <img src="./img14/cover3.png" alt="" class="loop-image">

            </div>
            <div class="focus-container">
                <ul class="focus-box">
                    <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>
                </ul>
            </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
.loop-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.loop-wrap .loop-images-container {
  width: 300vw;
  /* 横向排列 3张图片 宽度应为主容器3倍 */
  font-size: 0;
  -webkit-transform: translate(0, 0);
          transform: translate(0, 0);
  /* 初始位置位移 */
  -webkit-animation: loop 10s linear infinite;
          animation: loop 10s linear infinite;
}

.loop-wrap .loop-images-container .loop-image {
  width: 100vw;
}

.loop-wrap .focus-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5%;
}

.loop-wrap .focus-container li {
  float: left;
  width: .1rem;
  height: .1rem;
  border-radius: 50%;
  margin: 0 .05rem;
  border: 1px solid #fff;
}

@-webkit-keyframes loop {
  0% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  30% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  /* 停留1500ms */
  35% {
    -webkit-transform: translate(-33.3%, 0);
            transform: translate(-33.3%, 0);
  }
  /* 切换500ms 位移-20% */
  60% {
    -webkit-transform: translate(-33.3%, 0);
            transform: translate(-33.3%, 0);
  }
  65% {
    -webkit-transform: translate(-66.6%, 0);
            transform: translate(-66.6%, 0);
  }
  95% {
    -webkit-transform: translate(-66.6%, 0);
            transform: translate(-66.6%, 0);
  }
  100% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  /* 复位到第一张图片 */
}

@keyframes loop {
  0% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  30% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  /* 停留1500ms */
  35% {
    -webkit-transform: translate(-33.3%, 0);
            transform: translate(-33.3%, 0);
  }
  /* 切换500ms 位移-20% */
  60% {
    -webkit-transform: translate(-33.3%, 0);
            transform: translate(-33.3%, 0);
  }
  65% {
    -webkit-transform: translate(-66.6%, 0);
            transform: translate(-66.6%, 0);
  }
  95% {
    -webkit-transform: translate(-66.6%, 0);
            transform: translate(-66.6%, 0);
  }
  100% {
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
  /* 复位到第一张图片 */
}

该问题已被官方收录

英文单词太长，不知道怎么处理？

1

布局

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

没有代码，http://www.baidu.com/s?wd=pica&rsv_spt=1&rsv_iqid=0x930769df0003fb2d&issp=1&f=8&rsv_bp=0&rsv_idx=2&ie=utf-8&tn=baiduhome_pg&rsv_enter=1

就像是上面的，浏览器会以为是一个单词。所以要想个办法解决。

该问题已被官方收录

vscode studio中的ds.store文件

0

1

页面显示

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

该问题已被官方收录

数组打印出来是空的，但是里面确实有对象？

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

Page({
 data:{
   currentTab: 0,
   navbarTitle: ['职业门槛', '难易程度', '成长周期', '求贤企业', '入学基础', '薪资待遇'],
 },
 changeId:function(e){//点击实现切换
this.setData({
  currentTab: e.currentTarget.dataset.id
})
},
 onLoad:function(e){
   //将上个页面传过来的数据取出来
   var finallyRank = JSON.parse(e.finallyRank);
   var that=this;//存一下全局对象
   var jobDetails=[];//声明空数组用来放数据
   wx.request({//向葡萄藤官网发出数据请求,需要先设置不校验合法域名才能成功请求
     url:'http://www.jnshu.com/a/occupation/list',
     header: {'content-type': 'application/json'},//json请求头
     success:function(response){
       if(response.data.code===0){
         //用一个遍历将上个页面选出来的三个序号对应的职业抽出来，并用数组保存相应的信息
         for (var i = 0; i < finallyRank.length;i++){
           jobDetails.push(response.data.data.occupations[finallyRank[i] - 1]);//因为finallyRank数组是从1开始的所以要减1
           jobDetails[i].salary = JSON.parse(jobDetails[i].salary);//将jobDetails里的salary从字符串变回数组，不然后面没法用
         };
         that.setData({//将数据存到data里才能拿来渲染视图
           jobDetails
         });
         //如果用this.setData在外面存将会使data里的jobDetails变成空数组
       }
     }
   });
   console.log(jobDetails);
 }
})

该问题已被官方收录

css画的竖分隔符渐变色到手机变宽

0

1

盒模型

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

  border-image: linear-gradient(#fff, #e2e6e7, #fff) 4;
    border-left: solid 0.06rem;