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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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侧边导航栏

0

1

侧边栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

body {
    padding: 0;
    margin: 0;
    background: #f0f0f0;
}

@mixin center {
    display: flex;
    align-items: center;
    flex-direction: column;
}

header {
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    height: 3rem;
    background: #29bde0;
    z-index: 1;
    .menu {
        display: block;
        padding: .3rem 0;
        margin: 1rem;
        height: .2rem;
        width: 1.5rem;
        border-top: solid 3px #fff;
        border-bottom: solid 3px #fff;
        .row {
            border: solid 1.5px #fff;
        }
    }
}





main {
    @include center;
    margin-top: 3rem;
    .main-nav {
        display: block;
        position: relative;
        margin: 1.2rem 0;
        width: 86%;
        line-height: 4rem;
        text-align: center;
        border: solid 1px #c9c9c9;
        font-size: 1.3rem;
        color: #9a9a9a;
        background: #fff;
        .arrow {
            position: absolute;
            top: 1.46rem;
            right: 1rem;
            width: 15px;
            height: 15px;
            border-bottom: 3px solid #e7e7e7;
            border-left: 3px solid #e7e7e7;
            transform: rotate(225deg);
        }
    }
    .main-boxes {
        @include center;
        position: relative;
        width: 86%;
        border: solid 1px #c9c9c9;
        background: #fff;
        .main-title {
            width: 100%;
            line-height: 4rem;
            text-align: center;
            border-bottom: solid 1px #fbb435;
            font-size: 1.5rem;
            font-weight: 100;
            color: #fbb435;
        }
        .main-box {
            display: block;
            margin: 1.3rem 0;
            width: 80%;
            line-height: 5.5rem;
            text-align: center;
            font-size: 1.28rem;
            font-weight: 100;
            color: #fff;
            background: #69d1e9;
        }
        .main-font {
            width: 100%;
            text-align: center;
            font-size: 1.08rem;
            color: #787878;
        }
        .triangle {
            position: absolute;
            top: 16.3rem;
            right: .3rem;
            border-left: solid 20px #fbb435;
            border-top: solid 20px transparent;
            border-bottom: solid 20px transparent;
        }
        .circle {
            display: inline-block;
            margin: 1rem .2rem;
            width: .7rem;
            height: .7rem;
            border-radius: 50%;
            background: #f0f0f0;
            &:hover {
                background: #29bde0;
            }
        }
    }
}

ul,
li {
    position: relative;
    display: block;
    list-style: none;
    padding: 0;
    border-bottom: solid 1px #29bde0;
}

.menu-box {
    position: absolute;
    margin: 0;
    width: 45%;
    height: 100%;
    line-height: 3.5rem;
    font-size: 16px;
    color: #29bde0;
    background: #fff;
}

.nav {
    position: relative;
    overflow: hidden;
}

.main-box {
    position: relative;
    
}

input {
    width: 3rem;
    height: 2rem;
    outline: none !important;
    -webkit-appearance: none;
    border-radius: 0;
}

#menu:checked~.main-box {
    margin-left: 45vw;
}

.left {
    width: 1.34rem;
    height: .2rem;
    padding: .3rem 0;
    margin-left: .22rem;
    border: none;
    outline: none;
    border-top: 3px solid #fff;
    border-bottom: 3px solid #fff;
    background: #fff content-box;
}

label {
    display: block;
}

input {
    display: none;
}

.hide-arrow {
    position: absolute;
    top: 1.46rem;
    right: 1rem;
    width: 15px;
    height: 15px;
    border-bottom: 3px solid #e7e7e7;
    border-left: 3px solid #e7e7e7;
    transform: rotate(225deg);
}

该问题已被官方收录

如何只使用CSS来写一个侧边导航栏

1

1

侧边栏

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 user-scalable=no" />
    <title>Title</title>
    <link rel="stylesheet" type="text/css" href="task7-2.css">
</head>
<body>
<header>
    
</header>
</body>
</html>

该问题已被官方收录

link引入和@import引入的性能区别

0

1

Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@charset "utf-8";  
  
/* 重置样式 */  
button { padding: 0; border: none; background: transparent; outline: none;}    //按钮默认样式修改
a {text-decoration:none;outline:none;}
p {margin: 0;}
ul {margin: 0; padding: 0;outline: none;list-style: none;}
.flt-right {float: right;}
/* 基础样式 */   
$col-1 :#f0f0f0;    //灰色背景颜色
$col-2 :#29bde0;    //页面调性主颜色
$col-3 :#fbb435;    //页面调性次颜色
::-webkit-scrollbar {display: none;}    //隐藏滚动条
img { transform: scale(0.5);}    //插入图片统一缩放:0.5

/* 全局样式 */  
html {
  font-size: 625%;
  overflow-x: hidden; 
}

body {
  font-size: .12rem;
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

@charset "UTF-8";
/* 重置样式 */
button {
  padding: 0;
  border: none;
  background: transparent;
  outline: none; }

a {
  text-decoration: none;
  outline: none; }

p {
  margin: 0; }

ul {
  margin: 0;
  padding: 0;
  outline: none;
  list-style: none; }

.flt-right {
  float: right; }

/* 基础样式 */
::-webkit-scrollbar {
  display: none; }

img {
  transform: scale(0.5); }

/* 全局样式 */
html {
  font-size: 625%;
  overflow-x: hidden; }

body {
  font-size: .12rem;
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden; }

该问题已被官方收录

侧边导航栏出现时，不会紧贴着屏幕左边

1

1

侧边栏

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@charset "UTF-8";
.cen-cen {
  display: flex;
  align-items: center;
  justify-content: center; }

.fixed-t {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 10; }

.relative {
  position: relative; }

.absolute {
  position: absolute; }

.a-none {
  text-decoration: none; }

.a {
  width: 1rem; }

* {
  margin: 0;
  padding: 0; }

html {
  font-size: 62.5%; }

.main {
  padding: 4rem 8%;
  background-color: #F0F0F0; }

/*
    页头
*/
.header {
  height: 3rem;
  background-color: #29bde0; }

.la {
  display: inline-block;
  width: 3rem;
  height: 3rem;
  background: url("img7/BackIcon.png") no-repeat 0.5rem 0.7rem; }

/*
    侧边栏内容
*/
.cb {
  position: absolute;
  width: 80vw;
  margin-top: 3rem;
  transform: translateX(-100%);
  background-color: #fff; }

input[type="checkbox"]:checked ~ .cb,
input[type="checkbox"]:checked ~ .main {
  transform: translateX(80vw);
  transition: transform 0.4s ease; }

input[type="checkbox"] {
  display: none; }

/*
  内容
*/
.top-box {
  width: 100%;
  height: 5rem;
  background-color: #fff; }

.t-b-p {
  font-size: 1.8rem;
  color: #9a9a9a; }

.t-b-div {
  right: 0;
  width: 2rem;
  height: 3rem;
  background: url("img7/BackIcon.png") no-repeat left -3.5rem; }

/*
    捉鬼游戏
*/
.game {
  height: 4rem;
  margin-top: 1rem;
  font-size: 1.8rem;
  color: #fbb435;
  background-color: #fff;
  border-bottom: 1px solid #fbb435; }



<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1 user-scalable=no" />
    <title>Title</title>
    <link rel="stylesheet" type="text/css" href="task7-1.css">
</head>
<body>
<!--
    页头
-->
<header>
    <div class="header fixed-t">
        <label for="menu" class="la"></label>
    </div>
</header>
<input type="checkbox" id="menu">
<ul class="cb">
    <li class="cb-gg">
        <img src="img7/laba.png">
        <p>公告</p>
    </li>
    <li class="cb-li"></li>
    <li class="cb-li"></li>
    <li class="cb-li"></li>
</ul>
<!--
    内容
-->
<main class="main">
<!--
    上次游戏：捉鬼猜词
 -->
    <div class="top-box cen-cen relative">
        <p class="t-b-p">上次游戏：捉鬼猜词版</p>
        <div class="t-b-div absolute"></div>
    </div>

<!--
    捉鬼游戏
-->
    <div class="game cen-cen">
        <p class="game-p">捉鬼游戏</p>
    </div>
    <div class="content relative">
        <a class="con-a cen-cen a-none" href="#">简化版</a>
        <p class="con-p cen-cen">有1133个用户正在玩此款游戏</p>
        <a class="con-a cen-cen a-none" href="#">猜词版</a>
        <div class="con-jt absolute"></div>
        <p class="con-p cen-cen">有1133个用户正在玩此款游戏</p>
        <a class="con-a cen-cen a-none" href="#">白痴版</a>
        <p class="con-p cen-cen">有1133个用户正在玩此款游戏</p>
        <div class="dot">
            <div class="dot-d"></div>
            <div class="dot-c"></div>
            <div class="dot-c"></div>
            <div class="dot-c"></div>
        </div>
    </div>
</main>
</body>
</html>

该问题已被官方收录

sass占位符、混合宏、继承优缺点是什么，适用哪些场景？

1

1

Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

@charset "UTF-8";
/*
 * @名称：base.css
 * @功能：1、重设浏览器默认样式
 *       2、设置通用原子类
*/
html {
  font-size: 62.5%;
}

/* 内外边距通常让各个浏览器样式的表现位置不同 */
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, hr, button, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  margin: 0;
  padding: 0;
}

/* 去掉 table cell 的边距并让其边重合*/
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* 去掉列表前的标识，li 会继承 */
ol, ul {
  list-style: none;
}

/* 让链接在 hover 状态下显示下划线 */
a {
  text-decoration: none;
  color: #000000;
}

该问题已被官方收录

使用checkbox绑定侧边栏后，侧边栏却出现了显示异常

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="mmm">
    <div class="m-border"></div>
    <div class="m1">
        <div class="ma">
            <img src="images-task13/1.png" width="24" />
            <span class="ma1">公告</span>
        </div>
        <div class="ma">
            <img src="images-task13/5.png" height="23" width="14"/>
        </div>
    </div>
    <div class="m1">
        <div class="ma">
            <img src="images-task13/2.png" width="24" />
            <span class="ma1">设置</span>
        </div>
        <div class="ma">
            <img src="images-task13/5.png" height="23" width="14"/>
        </div>
    </div>

    <div class="m1">
        <div class="ma">
            <img src="images-task13/3.png" width="24" />
            <span class="ma1">帮助</span>
        </div>
        <div class="ma">
            <img src="images-task13/5.png" height="23" width="14"/>
        </div>
    </div>

    <div class="m1">
        <div class="ma">
            <img src="images-task13/4.png" width="24" />
            <span class="ma1">关于</span>
        </div>
        <div class="ma">
            <img src="images-task13/5.png" height="23" width="14"/>
        </div>
    </div>
</div>

<div class="checkbox1">

    <input type="checkbox" value="1" id="check1" name="" />
    <label for="check1"></label>
</div>
    <div class="nnn">

<div class="head">
    <div class="h-img"></div>
</div>

label {
  @include position(absolute,top,17px,left,25px);
  @include sprite(34px,27px,
          url(images-task13/t.png) -185px -307px no-repeat,
          scale(0.9));
  transition: all .6s ease;
  cursor: pointer;
  z-index: 3;
}
input {
  @include position(absolute,top,0px,left,0px);
}

.checkbox1 {
  @include position(absolute,top,0px,left,0px);
  width: 100%;
  overflow: hidden;
}

.checkbox1 input[type=checkbox]:checked ~ label {
  left: 80%;
}
.checkbox1 input[type=checkbox]:checked ~ .nnn{
  transform: translateX(80%);
}

.nnn {
  @include bg-c(#f0f0f0);
  transition: all .6s ease;
  height: 900px;
  z-index: 2;
}
.mmm {
  position: absolute;
  @include flex(flex,column,flex-start,center);
  @include bg-c(#fff);
  @include font(1.2em,#69D1E9,left,normal);
  @include box(80%,900px);
}
.m1 {
  @include flex(flex,row,space-between,center);
  @include padding(20px 0);
  @include box(100%,20px);
  border-bottom:1px solid #c0c0c0;
}
.ma {
  margin: 0 20px;
}
.ma1 {
  margin-left:15px;
}
.m-border{
  position: absolute;
  @include box(100%,100%);
  border-right:20px solid #29bde0;
}
input[type=checkbox] {
  visibility: hidden;
}

该问题已被官方收录

如何让汉堡菜单实现动画来回？

0

1

动画

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

input[type="checkbox"]:checked ~ .menu_left {
  transform: translateX(80vw); }

input[type="checkbox"]:checked ~ main {
  transform: translateX(80vw); }

该问题已被官方收录

sass的default！真正作用，继承，混合，占位符如何选择

0

1

Sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

任务13的侧边栏按钮如何做，代码更省更规范；

0

1

通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

   <header class="header-box">

        <input type="checkbox" id="sidemenu">

        <aside class="g-position">
            <ul class="sideul">
                <li>
                    <img src="../image/side-icon.png">公告<img src="../image/side-back.png">
                </li>
                <li>
                    <img src="../image/side-icon.png">设置<img src="../image/side-back.png">
                </li>
                <li>
                    <img src="../image/side-icon.png">帮助<img src="../image/side-back.png">
                </li>
                <li>
                    <img src="../image/side-icon.png">关于<img src="../image/side-back.png">
                </li>
            </ul>
        </aside>
        <label for='sidemenu'></label>
        <!-- 侧滑按钮图片 -->
        <img src="../image/侧滑.png" class="cehua-botton g-position">
    </header>

有没有必要使用BEM css命名规范？

0

1

代码规范

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

去第页

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