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

不使用bootstrap的组件库自己写折叠导航栏；

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1

表单元素

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="row" id="header-second">
                <div class="header-second-one">
                    <img src="./www.jnshu.com.png" alt="">
                </div>
                <div class="header-second-twe">
                    <form>
                        <button type="button"><img src="./heengxian.png" alt=""></button>
                        <input type="radio"name="nav" value=""><a href="./task9-1.html">首页</a>
                        <input type="radio" name="nav" value=""><a href="./task9-1.html">职位</a>
                        <input type="radio"name="nav" value=""><a href="./task9-1.html">推荐</a>
                        <input type="radio" name="nav" value=""><a href="./task9-1.html">首页</a>
                    </form>
                </div>
            </div>
        </div>

不用js怎么实现滚动条及文本鼠标移上去时改变颜色

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1

hover

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="mybar">
    <div class="progress">
        <div class="progress-bar progress-bar-warning" role="progressbar"
             aria-valuenow="60" aria-valuemin="0" aria-valuemax="100"
             style="width: 25%;">
            <span class="sr-only">25% 完成（警告）</span>
        </div>
    </div>
    <div class="figure">
        <span class="circle1">1</span>
        <span class="circle">2</span>
        <span class="circle">3</span>
        <span class="circle">4</span>
    </div>
    <div class="step">
        <div>1.定制纸箱</div>
        <div>2.选择数量</div>
        <div>3.上传附件</div>
        <div>4.确认下单</div>
    </div>
</div>



.mybar {
    width: 62%;
    float: right;
    padding-right: 19%;
    margin-top: 40px;
}

.step {
    color: #d3d3d3;
    display: flex;
    justify-content: space-around;
    font-size: 18px;
}

.step div:first-child {
    color: #ff7f02;
}

.figure {
    display: flex;
    justify-content: space-around;
    font-size: 16px;
}

.progress {
    height: 5px;
}

.progress-bar-warning {
    background: #ff7f02;
}

bootstrap4.0框架的汉堡菜单如何引用完成任务8的导航栏

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <a class="navbar-brand" href="#">Navbar</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="navbarNav">
    <ul class="navbar-nav">
      <li class="nav-item active">
        <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Features</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Pricing</a>
      </li>
      <li class="nav-item">
        <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
      </li>
    </ul>
  </div>
</nav>

进度条的实现是不是太死板了？

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属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<ul class="time-horizontal">
          <li class="time-active"><b></b><span>1</span>1.定制纸箱</li>
          <li><b></b><span>2</span>2.选择数量</li>
          <li><b></b><span>3</span>3.上传附件</li>
          <li><b></b><span>4</span>4.确认下单</li>
        </ul>

.time-horizontal {
  float: right;
  padding-top: 20px;
  margin: 0;
  list-style: none;
  overflow: hidden;
}
.time-horizontal li {
  float: left;
  position: relative;
  width: 160px;
  padding: 20px 0;
  text-align: center;
  border-top: 5px solid rgb(204, 204, 204);
  color: rgb(204, 204, 204);
}
.time-horizontal li b::before {
  content: '';
  position: absolute;
  top: -17.5px;
  left: 67.5px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: rgb(204, 204, 204);
}
.time-horizontal li span {
  position: absolute;
  top: -14px;
  left: 76px;
  color: rgb(255, 255, 255);
}
.time-horizontal .time-active {  
  color: rgb(255, 127, 2);
  border-top-color: rgb(255, 127, 2);
}
.time-horizontal .time-active b::before {background-color: rgb(255, 127, 2); }

英文换行；表格长宽

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

表格:table-layout:fixed
文字"word-break:break-all

option居中

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通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

option {
    font-weight: normal;
    display: block;
    white-space: pre;
    min-height: 1.2em;
    padding: 0px 2px 1px;
    text-align:center;
}

sass使用&引用父元素无效

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属性属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 ul{
            position: absolute;
            line-height:2;
            width: 100%;
            display: none;
            list-style-type: none;
            overflow: hidden;
            text-align: center;
            box-shadow: 0px 0px 0.8px 0.8px #dedede;
            background-color: white;
            &:hover{display: block;}
                li{
                    text-align: center;
                    font-size: 14px;
                    width: 100%;
                }
            
        }

margin 负值会有什么影响

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九宫格

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

https://www.jianshu.com/p/549aaa5fabaa

不能自适应总是少一块

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自适应

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">
    <link rel="stylesheet" type="text/css" href="task4.css">
    <title>Document</title>
</head>

<body>
    <div class="header">
        <p class="close">关闭</p>
        <p class="registe">注册</p>
        <p class="login">登录</p>
    </div>
    <form>
        <div class="user">
            <img src="images\iphone.png"/>
            <input type="text" placeholder="请输入手机号" name="tel" maxlength="11"/>
        </div>
        <div class="pw">
            <img src="images\locked 2.png"/>
            <input type="password" placeholder="请输入密码" name="password" />
        </div>
        <button class="login1" type="submit">登 录</button>
    </form>
    <button class="forget" type="button">忘记密码?</button>
</body>

</html>

footer底部两边的边距不能设置成一致？

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

liu{
    line-height: 40px;
    color: #5fc0cd;
    width: 40%;
    border: 1px solid;
    margin-left: 20px;
    margin-right: 15px;
    border-radius: 5px;
    background-color: white;
    font-size: 16px;
}