浮动具体应用案例

标签：浮动 box 应用 width color top height 案例 background

一、实现左右两列式布局

点击查看代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 800px;
            background-color: rgb(48, 241, 255);
            padding: 10px;
            text-align: center;
        }

        .box .left {
            width: 300px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: left;
        }

        .box .right {
            width: 400px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: right;
        }

        /* 清除浮动 */
        .box::after {
            display: block;
            content: "";
            clear: both;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="left">左</div>
        <div class="right">右</div>
    </div>
</body>

</html>

二、实现一行多列式布局

点击查看代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 800px;
            background-color: rgb(48, 241, 255);
            padding: 10px;
            text-align: center;
        }

        .box .left {
            width: 200px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: left;
        }

        .box .center {
            width: 380px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            margin-left: 10px;
            float: left;
        }

        .box .right {
            width: 200px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: right;
        }

        /* 清除浮动 */
        .box::after {
            display: block;
            content: "";
            clear: both;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="left">左</div>
        <div class="center">中</div>
        <div class="right">右</div>
    </div>
</body>

</html>

三、三列式布局，中间自适应

点击查看代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            margin: 0;
        }

        .box {
            width: 100%;
            background-color: rgb(48, 241, 255);
            padding: 10px;
            box-sizing: border-box;
        }

        .box .left {
            width: 150px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: left;
        }

        .box .center {
            height: 200px;
            background-color: rgb(255, 213, 0);
            margin: 0 160px;
        }

        .box .right {
            width: 150px;
            height: 200px;
            background-color: rgb(255, 213, 0);
            float: right;
        }

        /* 清除浮动 */
        .box::after {
            display: block;
            content: "";
            clear: both;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="left">左</div>
        <div class="right">右</div>
        <div class="center">中</div>
    </div>
</body>

</html>

四、多行多列式布局

点击查看代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 800px;
            background-color: rgb(137, 217, 254);
            margin: 0 auto;
            padding: 5px;
        }

        .item {
            width: 190px;
            height: 200px;
            background-color: rgb(253, 255, 125);
            float: left;
            margin: 5px;
        }

        /* 清除浮动 */
        .box::after {
            display: block;
            content: "";
            clear: both;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="item">1</div>
        <div class="item">2</div>
        <div class="item">3</div>
        <div class="item">4</div>
        <div class="item">5</div>
        <div class="item">6</div>
        <div class="item">7</div>
        <div class="item">8</div>
    </div>
</body>

</html>

五、实现整站结构布局

点击查看代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body,
        ul {
            margin: 0;
            text-align: center;
        }

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

        .clearfix::after {
            display: block;
            content: "";
            clear: both;
        }

        .top {
            height: 50px;
            background-color: #43fef8;
        }

        .container {
            width: 1000px;
            margin: 10px auto;
        }

        /*header部分样式*/
        .container .header .logo {
            width: 120px;
            height: 120px;
            background-color: #43fef8;
            float: left;
        }

        .container .header .nav {
            width: 700px;
            float: right;
        }

        .nav .nav-top {
            width: 500px;
            height: 50px;
            background-color: #43fef8;
            float: right;
        }

        .nav .nav-bottom {
            height: 60px;
            width: 100%;
            background-color: #43fef8;
            float: right;
            margin-top: 10px;
        }

        /*main-top部分样式*/
        .main {
            margin-top: 20px;
        }

        .main-top .main-top-menu {
            width: 200px;
            height: 500px;
            background-color: #43fef8;
            float: left;
        }

        .main-top .main-top-content {
            width: 520px;
            height: 500px;
            float: left;
            margin-left: 15px;
        }

        .main-top .main-top-recommend {
            width: 250px;
            height: 500px;
            background-color: #43fef8;
            float: right;
        }

        .main-top-content .top-content-banner {
            height: 300px;
            background-color: #43fef8;
        }

        .main-top-content .top-content-hot {
            height: 180px;
            margin-top: 20px;
        }

        .top-content-hot ul li {
            width: 120px;
            height: 180px;
            background-color: #43fef8;
            margin: 0px 5px;
            float: left;
        }

        .footer {
            height: 100px;
            background-color: #43fef8;
        }
    </style>
</head>

<body>
    <div class="top">顶部导航</div>
    <div class="container">
        <!--header start-->
        <div class="header clearfix">
            <div class="logo">logo图</div>
            <div class="nav clearfix">
                <div class="nav-top">搜索栏</div>
                <div class="nav-bottom">标签栏</div>
            </div>
        </div>
        <!--header end-->
        <!--main start-->
        <div class="main">
            <div class="main-top clearfix">
                <div class="main-top-menu">菜单栏</div>
                <div class="main-top-content">
                    <div class="top-content-banner">banner图</div>
                    <div class="top-content-hot">
                        <ul>
                            <li>1</li>
                            <li>2</li>
                            <li>3</li>
                            <li>4</li>
                        </ul>
                    </div>
                </div>
                <div class="main-top-recommend">推荐</div>
            </div>
        </div>
        <!--main start-->
    </div>
    <div class="footer">页脚</div>
</body>

</html>

标签：浮动,box,应用,width,color,top,height,案例,background
From： https://www.cnblogs.com/L-hua/p/16751069.html

一、实现左右两列式布局

二、实现一行多列式布局

三、三列式布局，中间自适应

四、多行多列式布局

五、实现整站结构布局

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