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html前端作业，请大神帮忙

 

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  • CSDN专家-林老师 2021-06-02 21:18
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    是否有最基本的长宽高的要求呢？或者是布局方式的要求？ 

    <!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>
        .container1 {
            width: 800px;
            height: 300px;
            border: 1px solid red;
            margin: 0 auto;
        }

        .block1 {
            width: 500px;
            height: 300px;
            background-color: gray;
            float: left;
        }

        .block2 {
            width: 200px;
            height: 300px;
            background-color: black;
            float: left;
        }

        .container2 {
            width: 800px;
            height: 200px;
            border: 1px solid red;
            margin: 0 auto;
            position: relative;
        }

        .block {
            width: 240px;
            height: 160px;
            background-color: black;
            margin: 20px 20px 20px 0;
            float: left;
        }
    </style>
</head>

<body>
    <div class="container1">
        <div class="block1"></div>
        <div class="block2"></div>
    </div>
    <div class="container2">
        <div class="block"></div>
        <div class="block"></div>
        <div class="block"></div>
    </div>
</body>

</html>
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