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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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怎么设置自适应居中的高度。

4

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html{
    font-size: 312.5%;
}
body{
    margin: 0;
    font-size: initial;
    background-color: #29BDE0;
}
header{
    position: fixed;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 .24rem;
    top: 0;
    left: 0;
    right: 0;
    height: .88rem;
    color: #FFFFFF;
    font-size: .34rem;
    z-index: 1;
}
.key-box{
    display: flex;
    justify-content: center;
    align-items: center;
    width: .4rem;
    height: .4rem;
    border: .02rem solid #FFFFFF;
}
.key{
    padding: .1rem 0;
    width: .3rem;
    height: .02rem;
    border-top: .02rem solid #FFFFFF;
    border-bottom: .02rem solid #FFFFFF;
    background: #FFFFFF content-box;
}
.close{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: .6rem;
    width: .6rem;
}
.line-left{
    height: .5rem;
    width: .04rem;
    transform: rotate(45deg);
    background-color: #FFFFFF;
}
.line-right{
    position: absolute;
    height: .5rem;
    width: .04rem;
    transform: rotate(-45deg);
    background-color: #FFFFFF;
}
main{
    position: relative;
}
.speak{
    display: flex;
    justify-content: space-between;
    margin-top: .88rem;
    align-items: center;
    height: .82rem;
    background-color: #B9E9F5;
}
.speak::before{
    position: absolute;
    top: .82rem;
    left: .71rem;
    content: "";
    border-top: .28rem solid #B9E9F5;
    border-left: .14rem solid transparent;
    border-right: .14rem solid transparent;
}
.discuss{
    margin-left: .46rem;
    font-size: .26rem;
    color: #464646;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: .02rem;
}
.circular{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: .17rem;
    height: .52rem;
    width: .52rem;
    border-radius: 50%;
    background-color: #FBB435;
}
.triangle{
    display: inline-block;
    border-left: .26rem solid #FFFFFF;
    border-top: .13rem solid transparent;
    border-bottom: .13rem solid transparent;
}
.click{
    margin-top: .25rem;
    margin-left: .72rem;
    font-size: .24rem;
    letter-spacing: .04rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #FFFFFF;
}
ul{
    margin: 0;
    padding: .43rem .43rem 0 .43rem;
    list-style: none;
}
li{
    margin: 0;
    padding: 0;
    list-style: none;
}
p {
    margin: 0;
}
.first-row{
    display: flex;
    justify-content: space-between;
}
.square{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    border: .05rem solid #FFFFFF;
}
.squaree{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    margin: 0 .71rem;
    
    width: 100%;
    border: .05rem solid #FFFFFF;
}
.civil{
    width: 100%;
    font-size: .3rem;
    color: #565656;
    line-height: 1rem;
    letter-spacing: .04rem;
    white-space: nowrap;
    background-color: #F5C97B;
}
.number{
    width: 100%;
    font-size: .23rem;
    letter-spacing: .02rem;
    white-space: nowrap;
    color: #FFFFFF;
    background-color: #83B09A;

<!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>task7-2</title>
    <link rel="stylesheet" type="text/css" href="../css/task7-2.css">
</head>
<body>
<header>
     <span class="key-box"><a class="key" href="http://www.jnshu.com/task/1/39/detail//#0"></a></span>
     <span>投票</span>
     <div class="close">
         <span class="line-left"></span>
         <span class="line-right"></span>
    </div>
</header>
<main>
<div class="speak">
    <span class="discuss">发言讨论结束，大家请投票</span>
    <span class="circular">
        <a class="triangle" href="http://www.jnshu.com/task/1/39/detail//#0"></a>
    </span>
</div>
<p class="click">点击得票数最多人的头像</p>
<ul>
    <li class="first-row">
         <div class="square">
             <p class="civil">水民</p>
             <p class="number">1号</p>
         </div>
         <div class="squaree">
             <p>水民</p>
             <p>2号</p>
         </div>
         <div class="square">
             <p>警察</p>
             <p>3号</p>
         </div>
    </li>
</ul>
</main>
</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

为什么我首页的右边黄色三角用absolute定位不准确

2

1

定位

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.icon3 {
    background-image: url(sanjiao.png);
    background-repeat: no-repeat;
    background-position: center;
    height: 5rem;
    width: 3rem;
    transform: scale(0.5);
    position: absolute;
    right: 5%;
    top: 53%;
}

该问题已被官方收录

版本选择页面右边的小三角是相对于整个白框存在,使用绝对定位发现无法垂直居中

1

1

居中定位

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="div2-2">
        <img  class="img-1-2" src="../img/css7/css7-1-2.png">
        <button class="button1">简化版</button>
        <span class="span2">有1133个用户正在玩此款游戏</span>
        <button class="button1">猜词版</button>
        <span class="span2">有1133个用户正在玩此款游戏</span>
        <button class="button1">白痴版</button>
        <span class="span2">有1133个用户正在玩此款游戏</span>
    </div>

.img-1-2 {
    transform: scale(.5);
    position: absolute;

    right: 0;
    margin-right: 1%;


.div2-2 {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    position: relative;
    width: 100%;

该问题已被官方收录

任务七右上角的音频标签，无法随着样式进行修改

1

1

属性属性

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="./task7-2.css">
</head>

<body>
    <header>
        <!-- 头部 -->
        <button>
            <!-- 头部左边按钮外部盒子 -->
            <div></div>
            <!-- 左边按钮 -->
        </button>
        <span>投票</span>
        <!-- 中间文字 -->
        <button>
            <!-- 右边关闭按钮外部盒子 -->
            <div></div>
            <!-- 右边关闭按钮 -->
        </button>
    </header>
    <main>
        <!-- 中间 -->
        <div>
            <!-- 上面的播放选项盒子 -->
            <span>发言讨论结束，大家请投票</span>
            <div>
                <!-- 外部圆 -->
                <div>
                    <!-- 内部三角形 -->
                    <audio controls>
                        <!-- 音频播放器 -->
                        <source src="./css-7/task7/财富自由.mp3"></audio>
                </div>
            </div>
        </div>
        <span>点击得票数最多人的头像</span>
        <!-- 页面说明文字 -->
        <div>
            <!-- 下方多个选项外盒子 -->
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>1号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>2号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>警察</div>
                <!-- 游戏身份 -->
                <div>3号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>法官</div>
                <!-- 游戏身份 -->
                <div>4号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>狙击手</div>
                <!-- 游戏身份 -->
                <div>5号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>医生</div>
                <!-- 游戏身份 -->
                <div>6号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>杀手</div>
                <!-- 游戏身份 -->
                <div>7号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>8号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>9号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>10号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>11号</div>
                <!-- 游戏号码 -->
            </button>
            <button>
                <!-- 第一个选项盒子 -->
                <div>水民</div>
                <!-- 游戏身份 -->
                <div>12号</div>
                <!-- 游戏号码 -->
            </button>
        </div>
    </main>
    <footer>
        <!-- 底部盒子 -->
        <button>
            <!-- 底部按钮 -->
            <span>投死</span>
            <!-- 底部中间字体 -->
        </button>
    </footer>
</body>

</html>
html{
    font-size: 62.5%;
}
body{
    margin: 0;
    font-size: 1.6rem;
}
header{
    height: 4.8rem;
    background-color: #29BDE0;
}

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截图中这个圆角框怎么实现？

1

1

边距盒模型

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

header {
height:50px;
}
footer {
height:50px;
}
div {
height: calc(100% - 100px);
}

该问题已被官方收录

hover子元素(div="bastard")没有办法居中

1

1

定位

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

css:
.grandpa{ 
    background: #29bde0;
    /*width: 90%;
    height: 90%;*/
    
    display: grid;
    grid-gap: 1px;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    grid-auto-flow: row;
    margin: 10px auto;
  }  
      
  .dad{
      width: 31vw;
      height: 31vw;
      background: #29bde0;
  }  
  
  .son{
      width: 20vw;
      height: 20vw;
      background: yellow;
      margin: 0 auto;
      display: flex;
      flex-direction:column;
      background: #f5c97b;
      border: 2px solid white;
  }
  .para1{
      flex:2;
      display: flex;
      justify-content: center;
      align-items: center;
  }
  .para2{
      flex:1;
      display: flex;
      justify-content: center;
      align-items: center;
      background: #83b09a;
      color: white;
  }
  
  .bastard{
      width: 20vw;
      line-height: 10vw;
      margin: 0 auto;
      background: #29bde0;
      display: none;
      
  }
  .bastard img{
      width: 4vw;
      height: 4vw;
      margin-right: 1px;
  }
  /*hover the son element*/
  .dad:hover>.bastard{
      display: block;
  }
  
html:
<div class="grandpa">

        <div class="dad">
            <div class="son">
                <span class="para1">水民</span>
                <span class="para2">1号</span>
            </div>
            <div class="bastard">
                <img src="./p2-sprite1.png"><img src="./p2-sprite2.png"><img src="./p2-sprite3.png"><img src="./p2-sprite4.png">
            </div>
        </div>

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图片只出现在第一个方框的左上

1

1

属性属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码



html： 



html

<div class="father">
	<div class="cont1">
		<p class="text1">水民</p>
		<p class="text2">1号</p>
	</div>
	<div class="picture">
		<img src="投票.png" alt="投票.png">
	</div>
</div>
<div class="father">
	<div class="cont1">
		<p class="text1">水民</p>
		<p class="text2">1号</p>
	</div>
	<div class="picture">
		<img src="投票.png" alt="投票.png">
	</div>
</div>

该问题已被官方收录

雪碧图能否随自适应页面自动缩放

2

1

自适应雪碧图

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="device-width,initial-scale=1.0, manimun-scale=1.0,user-scaleble=no" />
	<title>Document</title>
<style>
.box{
	width:20%;
	height:20vw;
	background-color:blue;
}
i{
	background-image:url(sprite.png);
	display:inline-block;
	width:35px;
	height:35px;
}
</style>
</head>
<body>
<div class="box">
</div>
<div class="sp">
	<i></i>
	<i></i>
	<i></i>
	<i></i>
</div>
</body>
</html>

该问题已被官方收录

雪碧图问题

1

1

雪碧图

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="dropdown">
                <span class="role">水民</span>
                <span class="number">1号</span>
                <ul class="dropdown-content">
                    <li class="knife"></li>
                    <li class="find"></li>
                    <li class="sight"></li>
                    <li class="cure"></li>
                </ul>
            </div>

去第页

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