2024年复习 HTML5+CSS3+移动web 笔记之CSS遍第5天

第五天整个网站例

5.1 准备工作项目目录与版心

base.css

5.2 网页制作思路

5.3 header 区域-整体布局

5.4 header区域-logo

5.5 header区域-导航

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>学成在线</title>
    <!-- 顺序要求：先清除再设置  -->
    <link rel="stylesheet" href="./css/base.css">
    <link rel="stylesheet" href="./css/index.css">
</head>
<body>
    <!-- 头部区域 -->
    <div class="header">
        <div class="wrapper">
            <!-- logo -->
            <div class="logo">
                <h1><a href="#">学成在线</a></h1>
            </div>
            <!-- 导航 -->
            <div class="nav">
                <ul>
                    <li><a href="#" class="active">首页</a></li>
                    <li><a href="#">课程</a></li>
                    <li><a href="#">职业</a></li>
                </ul>
            </div>
            <!-- 搜索 -->
            <div class="search">search</div>
            <!-- 用户 -->
            <div class="user">用户</div>
        </div>
    </div>
</body>
</html>

base.css

/* 基础公共样式：清除默认样式 + 设置通用样式*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

body {
    font: 14px/1.5 "Microsoft Yaher", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
    color: #333;
}

a {
    color: #333;
    text-decoration: none;
}

index.css

/* 首页样式 */
/* 版心 */
.wrapper {
    margin: 0 auto;
    width: 1200px;
}

body {
    background-color: #f3f5f7;
}

/* 头部区域 */
.header {
    height: 100px;
    background-color: #fff;
}

.header .wrapper {
    padding-top: 29px;
    display: flex;
}

/* logo */
.logo a {
    display: block;
    width: 195px;
    height: 41px;
    background-image: url(../images/logo.png);
    font-size: 0;
}

/* 导航 */
.nav {
    margin-left: 102px;
}

.nav ul {
    display: flex;
}

.nav li {
    margin-right: 24px;
}

.nav li a {
    display: block;
    padding: 6px 8px;
    line-height: 27px;
    font-size: 19px;
}

/* active 类选器 表示默认选中的a */
.nav li .active,
.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}

5.6 header区域-搜索区域

5.7 header区域-用户区域

<!-- 头部区域 -->
    <div class="header">
        <div class="wrapper">
            <!-- logo -->
            <div class="logo">
                <h1><a href="#">学成在线</a></h1>
            </div>
            <!-- 导航 -->
            <div class="nav">
                <ul>
                    <li><a href="#" class="active">首页</a></li>
                    <li><a href="#">课程</a></li>
                    <li><a href="#">职业</a></li>
                </ul>
            </div>
            <!-- 搜索 -->
            <div class="search">
                <input type="text" placeholder="请输入关键词">
                <a href="#"></a>
            </div>
            <!-- 用户 -->
            <div class="user">
                <img src="./img/user.png">
                <span>学员用户</span>
            </div>
        </div>
    </div>


CSS
/* 导航 */
.nav {
    margin-left: 102px;
}
 
.nav ul {
    display: flex;
}
 
.nav li {
    margin-right: 24px;
}
 
.nav li a {
    display: block;
    padding: 6px 8px;
    line-height: 27px;
    font-size: 19px;
}
 
/* active 类选器 表示默认选中的a */
.nav li .active,
.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}

.search {
    display: flex;
    margin-left: 64px;
    padding-left: 19px;
    padding-right: 12px;
    width: 412px;
    height: 40px;
    background-color: #f3f5f7;
    border-radius: 20px;
}

.search input {
    flex: 1;
    border: 0;
    background-color: transparent;
    /* 去掉表单控件的焦点框 */
    outline: none;
}

/* 父级是flex布局，子级变弹性盒子：加宽高生效 */
.search a {
    width: 16px;
    height: 16px;
    background-image: url(../img/search.png);
    align-self: center;
}

/* 用户 */
.user {
    margin-left: 32px;
    margin-top: 4px;
}

.user img {
    margin-right: 7px;
    /* vertical-align 行内块和行内垂直方向对方方式 */
    vertical-align: middle;
}

.user span {
    font-size: 16px;
    color: #666;
}

5.8 banner区域

index.css--banner

/* banner 区域 */
.banner {
    height: 420px;
    background-color: #0092cb;
}

.banner .wrapper {
    display: flex;
    justify-content: space-between;
    height: 420px;
    background-image: url(../img/banner2.png);
}

/* 侧导航 */
.banner .left {
    padding: 3px 20px;
    width: 191px;
    height: 420px;
    background-color: rgba(0, 0, 0, 0, 42);
}

.banner .left a {
    /*  */
    display: block;
    height: 46px;
    /* background-image: url(../img/); */
    line-height: 46px;
    font-size: 16px;
    color: #fff;
}

.banner .left a:hover {
    background-image: url(../img/right-hover.png);
    color: #00a4ff;
}

/* 课程表 */
.banner .right {
    margin-top: 60px;
    width: 218px;
    height: 305px;
    background-color: #209dd5;
    border-radius: 10px;
}

.banner .right h3 {
    margin-left: 14px;
    height: 48px;
    line-height: 48px;
    font-size: 15px;
    color: #fff;
    font-weight: 400;
}

.banner .right .content {
    padding: 14px;
    height: 257px;
    background-color: #fff;
    border-radius: 10px;
}

.banner .right dl {
    margin-bottom: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.banner .right dt {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
}

.banner .right dd {
    margin-bottom: 8px;
    font-size: 12px;
    line-height: 16px;
}

.banner .right dd span {
    color: #00a4ff;
}

.banner .right dd strong {
    color: #7d7d7d;
    font-weight: 400;
}

.banner .right a {
    display: block;
    height: 32px;
    background-color: #00a4ff;
    text-align: center;
    font-size: 32xp;
    color: #fff;
    line-height: 32px;
    border-radius: 15px;
}

<!-- banner 区域 -->
    <div class="banner">
        <div class="wrapper">
            <div class="left">
                <ul>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                    <li><a href="#">前端开发</a></li>
                </ul>
            </div>
            <div class="right">
                <h3>我的课程表</h3>
                <div class="content">
                    <dl>
                        <dt>数据可视化课程</dt>
                        <dd><span>正在学习</span>-<strong>echarts使用步骤</strong></dd>
                    </dl>
                    <dl>
                        <dt>数据可视化课程</dt>
                        <dd><span>正在学习</span>-<strong>echarts使用步骤</strong></dd>
                    </dl>
                    <dl>
                        <dt>数据可视化课程</dt>
                        <dd><span>正在学习</span>-<strong>echarts使用步骤</strong></dd>
                    </dl>
                    <a href="#">全部课程</a>
                </div>
            </div>
        </div>
    </div>

5.9 精品推荐区域

/* 精品推荐 */
.recommed {
    display: flex;
    margin-top: 11px;
    padding: 0 20px;
    height: 60px;
    background-color: #FFF;
    box-shadow: 0px 1px 2px 0px rgba(211, 211, 211, 0.5);
    line-height: 60px;
}
.recommed h3 {
    font-size: 18px;
    color: #00a4ff;
    font-weight: 400;
}

.recommed ul {
    flex: 1;
    display: flex;
}

.recommed ul li a {
    padding: 0 24px;
    border-right: 1px solid #e0e0e0;
    font-size: 18px;
}

.recommed ul li:last-child a {
    border-right: 0;
}

.recommed .modify {
    font-size: 16px;
    color: #00a4ff;
}

 <!-- 精品推荐 -->
    <div class="recommed wrapper">
        <h3>精品推荐</h3>
        <ul>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
            <li><a href="#">Html</a></li>
        </ul>
        <a href="#" class="modify">修改兴趣</a>
    </div>