项目在网格单元和容器中对齐方式、防php.cn首页布局 - 每日作业

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一、项目在网格单元和容器中对齐的相关属性实例演示

项目在网格单元中的对齐方式

/* 1. 设置容器中的“所有项目”在网格单元中的对齐方式  */
     .container {
         /* place-items: 垂直方向 水平方向; */
         /* 垂直居上，水平居中 */
         place-items: start center;
         /* 垂直居中对齐 */
         place-items: center center;
         /* 简写，两个值一样的时候可以简写 */
         place-items: center;
         /* 垂直居下，水平居右 */
         place-items: end end;
         /* 垂直居上，水平居右 */
         place-items: start end;
         /* normal */
         place-items: normal center;
         /* normal当成auto的同义词 */
         place-items: auto center;
         /* 继承*/
         /* place-items: inherit; */
         /* 初始化 */
         /* place-items: initial; */
         /* 清楚 */
         /* place-items: unset; */
        /* 拉伸,取消项目的固定尺寸才可以看到效果 */
        /* place-items: stretch; */
     }
      /* 2.设置容器中的单个项目对齐方式用：place-self */
     .container>.item:nth-of-type(5) {
         background-color: lightsalmon;          
         /* 垂直向上，水平居左 */
         place-self: start ;
         /* 垂直水平居中 */
         place-self: center;
         /* 垂直向下，水平居右 */
         place-self: end;           
     }
     /* 单元格有两种表现形式：单元格、网格区域 */
     .container>.item:nth-of-type(5) {
         grid-area: span 2 / span 2;;
         place-self: center;
     }

项目在网格容器中的对齐方式

     /*  place-content: 垂直方向 水平方向   */
     .container {
         /* 两端对齐 */
         place-content: space-between;
         /* 分散对齐 */
         place-content: space-around;
         /* 平均对齐 */
         place-content: space-evenly;
     }

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首页

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        <div class="main-courses">
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样式

            * {
                padding: 0;
                margin: 0;
                box-sizing: border-box;
                list-style: none;
                text-decoration: none;
            }
            body {
                background-color: rgb(248, 244, 244);
            }
            header {
                height: 60px;
                background-color: #000;
                display: grid;
                grid-template-columns: 140px 1fr 60px 68px;
                padding: 0.5rem;
                place-content: space-around;
                margin-bottom: 1rem;
            }
            header>.log {
                display: grid;
                place-items: center;
            }
            header>.logo>a>img {
                width: 100%;
            }
            .header-top {
                display: grid;
                grid-template-columns: repeat(9, 96px);
                grid-template-rows: 60px;
                place-content: space-around;
                place-items: center;
                font-size: 1em;
            }
            a {
                color: #dad5d5;
            }
            header .iconfont {
                display: grid;
                color: white;
                font-size: 25px;
                place-self: center;
                opacity: 0.8;
            }
            .butt {
                display: grid;
                place-items: center;
            }
            .butt img {
                width: 45px;
                height: 45px;
                border-radius: 50%;
            }
            header .header-top a:hover {
                color: #fafafa;
                transition: 0.5s;
                border-bottom: 3px solid lightgreen;
            }
            header .header-top a:hover {
                cursor: pointer;
                opacity: 0.8;
            }
            /* 主体区 */
            .main .main-top {
                height: 530px;
                width: 1220px;
                margin-bottom: 30px;
                display: grid;
                grid-template-columns: 216px 1fr;
                grid-template-rows: 60px 1fr 120px;
                margin: auto;
                background-color: #fff;
            }
            /* 左侧导航区 */
            .main .main-top .menus {
                background-color: #2B333B;
                display: grid;
                grid-area: span 3;
                border-radius: 10px 0 0 10px;
                place-items: center start;
                padding: 2rem;
            }
            /* 顶部的导航区 */
            .main .main-top .navs {
                display: grid;
                grid-template-columns: repeat(8, 1fr);
                place-items: center;
                border-radius: 0 10px 0 0;
                color: black;
                font-size: 15px;
                background-color: #fff;
            }
            .main .main-top .navs a {
                color: rgb(70, 66, 66);
            }
            .main .main-top .navs a:hover {
                transition: 0.5s;
                border-bottom: 3px solid lightgreen;
                cursor: pointer;
                opacity: 0.8;
            }
            .main .main-top .navs li>input {
                width: 250px;
                height: 40px;
                /* border-radius: 2px; */
            }
            /* 推荐区 */
            .main .main-top .course {
                padding: 0.5rem;
                display: grid;
                grid-template-columns: repeat(4, 1fr);
            }
            .main .main-top .course a img {
                border-radius: 10px;
            }
            /* 课程列表区 */
            .main .main-courses {
                width: 1200px;
                height: 646px;
                padding: 15px;
                margin: 30px auto;
                display: grid;
                grid-template-rows: 50px 1fr;
                gap: 10px;
                border-radius: 10px;
            }
            .main .main-courses h3 {
                text-align: center;
                margin-bottom: 30px;
                color: #444444;
            }
            .main .main-courses .course-list {
                display: grid;
                grid-template-columns: repeat(5, 1fr);
                grid-template-rows: repeat(3, 1fr);
                gap: 10px;
            }
            .main .main-courses .course-list img {
                border-radius: 10px;
                width: 217px;
            }
            .main .main-courses .course-list * {
                color: rgb(75, 70, 70);
            }
            .main .main-courses .course-list li:first-of-type {
                grid-area: span 2;
            }
            footer {
                height: 174px;
                background-color: #393D49;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(3, 1fr);
                place-content: space-around;
                padding: 30px;
            }
            footer .footer-muen {
                color: rgb(221, 221, 221);
                font-size: 12px;
                display: grid;
                grid-template-columns: repeat(1, 1fr);
                grid-template-rows: repeat(3, 1fr);
                place-items: start;
                padding-left: 30px;
            }
            footer .footer-muen ul {
                display: grid;
                grid-template-columns: repeat(8, 1fr);
            }
            footer .footer-img {
                display: grid;
                grid-template-columns: repeat(2, 200px);
                place-items: center;
            }
            footer .footer-img img {
                width: 100px;
                place-self: center;
            }

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天蓬老师

Correction status：qualified

Teacher's comments：

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1208软件的安装和标签的使用

2020-12-10 11:12:03

一、项目在网格单元和容器中对齐的相关属性实例演示

二、 防php.cn首页

首页

样式

二、防php.cn首页