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该问题已被官方收录

scss中@media中无法使用@extend。

0

1

sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

%border-color{
    border-color: red;
};
div{
    @media screen {
        margin:10px;
        @extend %border-color;
    }
}

该问题已被官方收录

单选框用绝对定位覆盖默认样式，点击之后会跳到顶部

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码


label{
    margin-bottom: 10px;
}
input[type="radio"] {
    top: -9999px;
    display: none;
}
i{
    display: inline-block;
    width: 22px; height: 22px;
    margin-right: 10px;
    background: url(../img/task10-1.png) no-repeat;
    vertical-align: middle;
}
input:checked+i{
    background: url(../img/task10-2.png) no-repeat;
}

该问题已被官方收录

能不能在把hover写在一块

0

1

hover

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="container">
			<div class="row text-left">
				<div class="col-md-3 first">
						<div class="squ"></div>
						<div class="cir">1</div>
						<div class="text-font">1.定制纸箱</div>
				</div>

.first {
	padding: 20px 0;
}
.squ {
	background-color: #ccc;
  	height: 5px;
  	width: 100%;
  	border-radius: 2px;
}
.cir {
	text-align: center;
	width: 25px;
	height: 25px;
	border-radius: 50%;
	background: #ccc;
	position: relative;
	top: -15px;
	left: 40%;
	color: #fff;
}
.text-font {
	text-align: center;
	color: #ccc;
}
.first:hover .squ {
	background-color: #ff7f02;
}
.first:hover .cir {
	background-color: #ff7f02;
}
.first:hover .text-font {
	color: #ff7f02;
}

该问题已被官方收录

如何给botton设置点击过的样式？？？

1

表单元素

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.btn-default:hover,
.btn-default:visited {
    background-color: #1d7ad9;
    color: #fff;
}

该问题已被官方收录

如果使用bootstrap的折叠模拟下拉菜单，如何让他在一次点击事件只显示一个？

0

1

bottstrap

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.second-line {
    padding-right: 30px;
}
#downlist {
    list-style: none;
}
.down-line {
    position: relative;
    display: inline-block;
    margin: 10px auto; 
}
.down-line ul {
    position: absolute;
    z-index: 1;
    width: 100%;
}
.down-line button {
    display: inline-flex;
    align-items: center;
    padding: 5px 5px;
    border: 2px solid #f2f2f2;
    font-size: .14rem;
    color: #999999;
}
/* 右侧下拉图标 */
.down-line button p {
    display: inline-block;
    width: 22px;
    height: 26px;
    margin-left: 25px;
    border-radius: 5.5%;
    background: #1d7ad9;
}
.down-line button p::after {
    content: "";
    display: inline-block;
    width: 10px;
    height: 6px;
    border-top: 6px solid white;
    border-right: 5px solid transparent;
    border-left: 5px solid transparent; 

}
/* 下拉选框样式 */
#downlist {
    border: 1px solid #f2f2f2;
    border-top: none;  
}
#downlist li {
    padding-top: 5px;
    padding-bottom: 5px; 
    background: white;
}
#downlist a {
    color: #888888 !important;
    text-decoration: none;
}
#downlist li:hover {
    background: #f2f2f2;
}

<div class="row forth-line align-items-center">
                    <div class="col-sm-10">
                        <input class="circlebox" type="radio" id="material1" name="boxtype">
                        <label for="material1">三层A瓦优质</label>
                        <input class="circlebox" type="radio" id="material2" name="boxtype">
                        <label for="material2">三层A瓦优质</label>
                        <input class="circlebox" type="radio" id="material3" name="boxtype">
                        <label for="material3">三层A瓦优质</label>
                        <input class="circlebox" type="radio" id="material4" name="boxtype">
                        <label for="material4">三层A瓦优质</label>
                        <input class="circlebox" type="radio" id="material5" name="boxtype">
                        <label for="material5">三层A瓦优质</label>
                    </div>
                    <div class="col-sm-2 text-right">
                        <div class="down-line">
                            <button data-toggle="collapse" data-target="#downlist3">
                                查看详情
                                <p></p>
                            </button>
                            <ul id="downlist3" class="collapse text-center">
                                <li>
                                    <a href="#">emmmm</a>
                                </li>
                                <li>
                                    <a href="#">emmmm</a>
                                </li>
                                <li>
                                    <a href="#">emmmm</a>
                                </li>
                            </ul>

                        </div>
                    </div>
                </div>
            </div>

该问题已被官方收录

css有没有办法点击单选按钮使前面的某个元素变色。

0

1

通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<nav class="nav">
        <input type="checkbox" id="nav-toggle" class="nav-toggle">
        <label for="nav-toggle">
            <svg xmlns="http://www.w3.org/2000/svg" width="23" height="22">
                <defs>
                    <filter id="shadow">
                        <feDropShadow dx="0" dy="0" stdDeviation="1.6">
                    </filter>
                </defs>
                <polygon points="1,1 22,10 1,20 1,1" fill="#1d7ad9" filter="url(#shadow)"></polygon>
            </svg>
        </label>
        <ul class="nav-list">
            <li>
                <a href="#">首页</a>
            </li>
            <li>
                <a href="#">在线定制</a>
            </li>
            <li>
                <a href="#">标准箱</a>
            </li>
            <li>
                <a href="#">品质保障</a>
            </li>
        </ul>
    </nav>
    <main class="main">
        <div class="step-box">
            <div class="step">
                <div class="circle" id="box-circle">1</div>
                <div class="line" id="box-line"></div>
                <p id="step-one">1.定制纸箱</p>
            </div>
            <div class="step">
                <div class="circle" id="size-circle">2</div>
                <div class="line" id="size-line"></div>
                <p id="step-two">2.选择数量</p>
            </div>
            <div class="step">
                <div class="circle" id="material-circle">3</div>
                <div class="line" id="material-line"></div>
                <p id="step-three">3.上传附件</p>
            </div>
            <div class="step">
                <div class="circle">4</div>
                <div class="line"></div>
                <p>4.确认下单</p>
            </div>
        </div>

.nav{
    display: block;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-right: 15%;
    background-color: #f9f9f9;
}
.nav-list{
    float: right;
    list-style: none;
}
.nav-list li{
    display: inline-block;
    margin-left: 30px;
}
/* .nav-list li a:focus,
.nav-list li a:hover{
    color: #fff;
    background-color: #1d7ad9;
} */
.nav-list li a{
    display: inline-block;
    height: 45px;
    padding-left: 15px;
    padding-right: 15px;
    line-height: 45px;
    text-decoration: none;
    background-color: #fff;
    border-radius: 8px;
    color: #333;
    box-shadow: 0 0 5px 1px #ccc;
}
.nav input:checked~.nav-list{
    display: block;
}
.nav input:checked~label svg{
    transform: rotateZ(90deg);
    transition: width 2s;
}
.nav label{
    display: none;
}
.nav .nav-toggle{
    display: none;
}
.main{
    padding-left: 15%;
    padding-right: 15%;
}
.step-box{
    display: flex;
    justify-content: flex-end;
    text-align: center;
}
 .step:hover div{
    background-color: #ff7f02;
}
.step:hover p{
    color: #ff7f02;
}
.step-box p{
    padding-top: 20px;
}
.line{
    height: 3px;
    width: 10vw;
    border-radius: 2px;
    background-color: #cccccc;
    min-width: 71px;
}
.circle{
    width: 22px;
    height: 22px;
    line-height: 22px;
    border-radius: 50%;
    background-color: #cccccc;
    text-align: center;
    z-index: 1;
    color: #fff;
    position: relative;
    top: 13px;
    left: 50%;
    transform: translateX(-50%);
}
.message{
    line-height: 40px;
    font-weight: bold;
    font-size: 1.8rem;
}
.message span::before{
    content: "";
    display: inline-block;
    vertical-align: text-top;
    margin-right: 5px;
    height: 1.9rem;
    width: 3px;
    border-radius: 2px;
    background-color: #1d7ad9;
}
.choose{
    position: relative;
    padding-left:35px;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
    color: #1d7ad9;
    background-color: #f3f3f3;
    border-left: 1px solid #e8e8e8;
    border-right: 1px solid #e8e8e8;
}
.choose .word-box::before{
    content: "";
    display: inline-block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 10px;
    width: 15px;
    height: 13px;
    background-image: url(images/box.png);
    background-repeat: no-repeat;
    background-size: contain;
}
.choose .word-size::before{
    content: "";
    display: inline-block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 10px;
    width: 15px;
    height: 13px;
    background-image: url(images/size.png);
    background-repeat: no-repeat;
    background-size: contain;
}
.choose .word-material::before{
    content: "";
    display: inline-block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 10px;
    width: 15px;
    height: 13px;
    background-image: url(images/scissors.png);
    background-repeat: no-repeat;
    background-size: contain;
}
.choose-box{
    position: relative;
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #fbfcff;
    border-left: 1px solid #e8e8e8;
    border-right: 1px solid #e8e8e8;
    border-bottom: 1px solid #e8e8e8;
    z-index: 2;
}
.box-one,.box-two,.box-three{
    display: inline-block;
    margin-left: 30px;
}
.choose-material>div:nth-child(-n+5){
    display: inline-block;
    margin-left: 30px;
}
.choose-size{
    position: relative;
    padding-top: 30px;
    background-color: #fbfcff;
    border: 1px solid #e8e8e8;
    z-index: 1;
}
.size-box{
    display: flex; 
    padding-bottom: 30px;
}
.text-box{
    margin-left: 30px;
}
.choose-material{
    position: relative;
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #fbfcff;
    border: 1px solid #e8e8e8;
    z-index: 1;
}
input[type="text"]{
    padding: 0;
    height: 18px;
    outline: none;
    border: none;
    border: 1px solid #ccc;
}
.size-one,.size-two{
    margin-left: 30px;
}
label{
    font-weight: normal;
}
input[type="radio"] + .choice::before {
    content: "\a0"; /*不换行空格*/
    display: inline-block;
    vertical-align: middle;
    width: 17px;
    height: 17px;
    margin-right: 12px;
    vertical-align: text-top;
    border-radius: 50%;
    border: 1px solid #d6d6d6;
    background-color: #f8f9fb;
}
input[type="radio"]:checked + .choice::before {
    background-image: url(images/circle.png);
    background-size: contain;
    background-repeat: no-repeat;
    border: none;
}
input[type="radio"] {
    position: absolute;
    clip: rect(0, 0, 0, 0);
}
/* div+js模拟下拉框 */
.select-box{
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%); 
    background: #fff;
}

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

代码问题

0

1

代码规范

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="container">
        <div class="row">
            <div class="col-lg-5 col-md-5"></div>
            <div class="col-lg-7 col-md-7 course">

                <div class="course-a">


                    <div class="circle-a">
                        <div class="number">1</div>
                    </div>
                    <div class="string-a"></div>
                    <br>
                    <span class="course-font-a">1.定制纸箱</span>
                </div><div class="course-b">
                







                    <div class="circle-b">
                        <div class="number">2</div>
                    </div>
                    <div class="string-b"></div>
                    <br>
                    <span class="course-font-b">2.选择数量</span>
                </div><div class="course-c">
                







                    <div class="circle-c">
                        <div class="number">3</div>
                    </div>
                    <div class="string-c"></div>
                    <br>
                    <span class="course-font-c">3.上传附件</span>
                </div><div class="course-d">
                







                    <div class="circle-d">
                        <div class="number">4</div>
                    </div>
                    <div class="string-d"></div>
                    <br>
                    <span class="course-font-d">4.确认下单</span>
                </div>


            </div>
        </div>

input按钮选中问题‘

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

    <div class="gaizibox duik">
                                        <input type="radio" id="rd1" name="sex" />
                                        <label for="rd1">对口箱子</label>
                                    </div>


                                    <div class="gaizibox">
                                        <input type="radio" id="rd2" name="sex" />
                                        <label for="rd2">飞机盒</label>
                                    </div>


                                    <div class="gaizibox">
                                        <input type="radio" id="rd3" name="sex" />
                                        <label for="rd3">天地盖</label>
                                    </div>

如何用css做一个导航栏

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

                        <button class="menu">
                            <div class="across"></div>
                            <div class="acr"></div>
                            <div class="across"></div>
                        </button>
    .menu {
        display: flex;
        flex-direction: column;
        border-style: none;
        outline: none;
        border-radius: 4px;
        margin-right: 1.8rem;
        padding: 5px;
        background-color: rgb(238, 235, 235);
    }
    .across {
        width: 13px;
        border-bottom: 2px solid rgb(158, 157, 157);
    }
    .acr {
        margin: 2px 0;
        width: 13px;
        border-bottom: 2px solid rgb(158, 157, 157);
    }
    .menu:hover .gps {
        display: block;
    }